Siegel, G. M. (1990). Bagaimana Mempromosikan Usaha Anda. Dahara Prize.
Chicago Style (17th ed.) CitationSiegel, Gonnie McClung. Bagaimana Mempromosikan Usaha Anda. Dahara Prize, 1990.
MLA (8th ed.) CitationSiegel, Gonnie McClung. Bagaimana Mempromosikan Usaha Anda. Dahara Prize, 1990.
Warning: These citations may not always be 100% accurate.