Balaoing, T. (1986). Lettuce. Bureau of Plant Industry.
芝加哥风格引文Balaoing, Theresa. Lettuce. Manila: Bureau of Plant Industry, 1986.
MLA引文Balaoing, Theresa. Lettuce. Bureau of Plant Industry, 1986.
警告：这些引文格式不一定是100％准确.
APA引文