Purba, A. Z. U. (2005). Hak Kekayaan Intelektual Pasca Trips. Alumni.
Chicago Style (17th ed.) CitationPurba, Achmad Zen Umar. Hak Kekayaan Intelektual Pasca Trips. Alumni, 2005.
MLA (8th ed.) CitationPurba, Achmad Zen Umar. Hak Kekayaan Intelektual Pasca Trips. Alumni, 2005.
Warning: These citations may not always be 100% accurate.