Gaya APA

Dhirgantoro, Donny. (). 2 . : .

Gaya Chicago

Dhirgantoro, Donny. 2. : , . Text.

Gaya MLA

Dhirgantoro, Donny. 2. : , . Text.

Gaya Turabian

Dhirgantoro, Donny. 2. : , . Print.