Trekking Convention Rawalpindi, Pakistan, & Pakistan. Tourism Division. (1982). Trekking Convention 81, October 12 to 15, 1981, Rawalpindi, Pakistan. Tourism Division, Govt. of Pakistan.
Chicago-referens (17:e uppl.)Trekking Convention Rawalpindi, Pakistan, och Pakistan. Tourism Division. Trekking Convention 81, October 12 to 15, 1981, Rawalpindi, Pakistan. [Rawalpindi: Tourism Division, Govt. of Pakistan, 1982.
MLA-referens (8:e uppl.)Trekking Convention Rawalpindi, Pakistan, och Pakistan. Tourism Division. Trekking Convention 81, October 12 to 15, 1981, Rawalpindi, Pakistan. Tourism Division, Govt. of Pakistan, 1982.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.