Ries, A. (1994). 22 Hukum Tetap Pemasaran. Elex Media Komputindo.
Chicago Style (17th ed.) CitationRies, Al. 22 Hukum Tetap Pemasaran. Elex Media Komputindo, 1994.
MLA (8th ed.) CitationRies, Al. 22 Hukum Tetap Pemasaran. Elex Media Komputindo, 1994.
Warning: These citations may not always be 100% accurate.