Gaya APA

Royan, F, M. (2009). Account Receivable Sales Force: Cara Cerdas Mengelola Piutang Penjualan (AR) Sales Force . Jakarta: PT Elex Media Komputindo.

Gaya MLA

Royan, Frans, M.. "Account Receivable Sales Force: Cara Cerdas Mengelola Piutang Penjualan (AR) Sales Force". Jakarta: PT Elex Media Komputindo, 2009. Books.