Gaya APA

Gumpert, D, E. (1994). (PASCA - MANAJEMEN - ADMINISTRASI BISNIS) How to Really Create a Successful Business Plan (Edisi 2). USA: Recycled Paper.

Gaya MLA

Gumpert, David, E.. "(PASCA - MANAJEMEN - ADMINISTRASI BISNIS) How to Really Create a Successful Business Plan". Edisi 2 USA: Recycled Paper, 1994. .