Gaya APA

Tobias, C, U., Tiong, Y, K, H. (1994). Cara Mereka Belajar = The Way They Learn . : Pionir Jaya.

Gaya MLA

Tobias, Cynthia, Ulrich., Tiong, Yohanan, Kwee, Han. "Cara Mereka Belajar = The Way They Learn". : Pionir Jaya, 1994. Text.