APA引文

Roulling JK. (2002). Qwidditch Trough The Ages. Jakarta: Gramedia.

Chicago Style Citation

Roulling JK. Qwidditch Trough The Ages. Jakarta: Gramedia, 2002.

MLA引文

Roulling JK. Qwidditch Trough The Ages. Jakarta: Gramedia, 2002.

警告：这些引文格式不一定是100％准确.