De Leon, J. (1951). Citrus growing in the Philippines. Bureau of Print.
芝加哥风格引文De Leon, Jose. Citrus Growing in the Philippines. Manila: Bureau of Print, 1951.
MLA引文De Leon, Jose. Citrus Growing in the Philippines. Bureau of Print, 1951.
警告：这些引文格式不一定是100％准确.