Ramos, S. (2013). The Philippine Cockatoo grasping for survival. Animal Scene.
芝加哥风格引文Ramos, Sylvia. "The Philippine Cockatoo Grasping for Survival." Animal Scene 2013.
MLA引文Ramos, Sylvia. "The Philippine Cockatoo Grasping for Survival." Animal Scene, 2013.
警告：这些引文格式不一定是100％准确.