Gaya APA

Stinnett, B. (2007). Selling Results!: the innovative system for maximizing sales by helping your customers achieve their business goals . Singapura: KPG (Kepustakaan Populer Gramedia).

Gaya MLA

Stinnett, Bill. "Selling Results!: the innovative system for maximizing sales by helping your customers achieve their business goals". Singapura: KPG (Kepustakaan Populer Gramedia), 2007. Textbook.