Philippines. Department of Natural Resources. (1977). Mango plantations. DNR.
芝加哥风格引文Philippines. Department of Natural Resources. Mango Plantations. [Quezon City]: DNR, 1977.
MLA引文Philippines. Department of Natural Resources. Mango Plantations. DNR, 1977.
警告：这些引文格式不一定是100％准确.