How to write the reference format GBT 18972-2003 "Classification, Investigation and Evaluation of Tourism Resources"?

GBT 18972-2003 Classification, Investigation and Evaluation of Tourism Resources is a standard document, and the format of the reference document is as follows:

[serial number] is responsible for drafting. Standard name: standard code [file type mark]. Place of publication: publisher, year of publication: citation page number.

[1] Institute of Geographical Sciences and Resources, Chinese Academy of Sciences, Planning, Development and Finance Department of National Tourism Administration. Classification, investigation and evaluation of tourism resources: GBT 18972-2003 [S].

Note: If there are no published items, you can omit them.

In addition, the 20 17 version of Classification, Investigation and Evaluation of Tourism Resources has been promulgated, and it is recommended to use the new version, as follows:

[1] Planning and Finance Department of National Tourism Administration, Institute of Geographical Sciences and Resources, Chinese Academy of Sciences. Classification, investigation and evaluation of tourism resources: GBT 18972-20 17 [s].