Zafra, J. (2011). Twisted 9. Anvil Pub.
芝加哥风格引文Zafra, Jessica. Twisted 9. Mandaluyong City: Anvil Pub, 2011.
MLA引文Zafra, Jessica. Twisted 9. Anvil Pub, 2011.
警告：这些引文格式不一定是100％准确.
APA引文
Zafra, J. (2011). Twisted 9. Anvil Pub.
芝加哥风格引文Zafra, Jessica. Twisted 9. Mandaluyong City: Anvil Pub, 2011.
MLA引文Zafra, Jessica. Twisted 9. Anvil Pub, 2011.