Trekking Convention Rawalpindi, Pakistan, & Pakistan. Tourism Division. (1982). Trekking Convention 81, October 12 to 15, 1981, Rawalpindi, Pakistan. Tourism Division, Govt. of Pakistan.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रTrekking Convention Rawalpindi, Pakistan, और Pakistan. Tourism Division. Trekking Convention 81, October 12 to 15, 1981, Rawalpindi, Pakistan. [Rawalpindi: Tourism Division, Govt. of Pakistan, 1982.
एमएलए (8वां संस्करण) प्रशस्ति पत्रTrekking Convention Rawalpindi, Pakistan, और Pakistan. Tourism Division. Trekking Convention 81, October 12 to 15, 1981, Rawalpindi, Pakistan. Tourism Division, Govt. of Pakistan, 1982.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.