Gaya APA

Yulianto, M. (2007). The handbook of ideas simply wild, crazy and exciting business ideas 123 Unique Business Ideas:123 Ide Bisnis unik . Jakarta: Salemba Empat.

Gaya MLA

Yulianto, Metta. "The handbook of ideas simply wild, crazy and exciting business ideas 123 Unique Business Ideas:123 Ide Bisnis unik". Jakarta: Salemba Empat, 2007. Text.