Lewis, G. M. (1993). Taktik menetapkan harga = Pricing for profit. Gramedia.
Chicago Style (17th ed.) CitationLewis, Gregory Mulyadi. Taktik Menetapkan Harga = Pricing for Profit. Gramedia, 1993.
MLA (8th ed.) CitationLewis, Gregory Mulyadi. Taktik Menetapkan Harga = Pricing for Profit. Gramedia, 1993.
Warning: These citations may not always be 100% accurate.