Gaya APA

Kneeland, Steve, Kusnandar. (2001). Essentials : Problem Solving . Jakarta: ELEX MEDIA KOMPUTINDO.

Gaya Chicago

Kneeland, Steve, Kusnandar. Essentials : Problem Solving. Jakarta: ELEX MEDIA KOMPUTINDO, 2001. Teks.

Gaya MLA

Kneeland, Steve, Kusnandar. Essentials : Problem Solving. Jakarta: ELEX MEDIA KOMPUTINDO, 2001. Teks.

Gaya Turabian

Kneeland, Steve, Kusnandar. Essentials : Problem Solving. Jakarta: ELEX MEDIA KOMPUTINDO, 2001. Teks.