Gaya APA

Pockell, L., Avila, A. (2010). Prinsip-Prinsip Bisnis Terhebat Sepanjang Masa . Jakarta Selatan: PT. Ufuk Publishing House.

Gaya MLA

Pockell, Leslie., Avila, Adrienne. "Prinsip-Prinsip Bisnis Terhebat Sepanjang Masa". Jakarta Selatan: PT. Ufuk Publishing House, 2010. Text.