Gaya APA

Hastuti, A, Y. ([s.a.]). 9 Kunci Bisnis Rasulullah saw & Khadijah ra. (Cet. 1). Jakarta: Penerbit Kalil.

Gaya MLA

Hastuti, A., Yahya. "9 Kunci Bisnis Rasulullah saw & Khadijah ra.". Cet. 1 Jakarta: Penerbit Kalil, [s.a.]. Text.