Gaya APA

Setiawan, T., Kusumaningratri, R. (2010). Step by Step Jadi Kontraktor Sukses . Yogyakarta: Starbooks.

Gaya MLA

Setiawan, Tony., Kusumaningratri, Rose. "Step by Step Jadi Kontraktor Sukses". Yogyakarta: Starbooks, 2010. Book.