APA Style

Ridwansyah, A. (2015). Markplus Selling Way : Formula Sukses Penjualan ke Klien Korporat (Business to Business Selling) . Jakarta: McGraw Hill.

MLA Style

Ridwansyah, Ardhi. "Markplus Selling Way : Formula Sukses Penjualan ke Klien Korporat (Business to Business Selling)". Jakarta: McGraw Hill, 2015. Text.