APA引文

Williams, R. G. d. B. (2009). Freefall. Mizan Fantasi.

Chicago Style (17th ed.) Citation

Williams, Roderick Gordon dan Brian. Freefall. Mizan Fantasi, 2009.

MLA引文

Williams, Roderick Gordon dan Brian. Freefall. Mizan Fantasi, 2009.

警告：這些引文格式不一定是100％准確.