Trekking Convention Rawalpindi, Pakistan, & Pakistan. Tourism Division. (1982). Trekking Convention 81, October 12 to 15, 1981, Rawalpindi, Pakistan. Tourism Division, Govt. of Pakistan.
Chicago-viite (17. p.)Trekking Convention Rawalpindi, Pakistan, ja Pakistan. Tourism Division. Trekking Convention 81, October 12 to 15, 1981, Rawalpindi, Pakistan. [Rawalpindi: Tourism Division, Govt. of Pakistan, 1982.
MLA-viite (8. p.)Trekking Convention Rawalpindi, Pakistan, ja Pakistan. Tourism Division. Trekking Convention 81, October 12 to 15, 1981, Rawalpindi, Pakistan. Tourism Division, Govt. of Pakistan, 1982.
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