Natural Resources Management Center. (1976). A profile: Dept. of Natural Resources, Natural Resources Management Center. NRMC.
芝加哥风格引文Natural Resources Management Center. A Profile: Dept. of Natural Resources, Natural Resources Management Center. Quezon City: NRMC, 1976.
MLA引文Natural Resources Management Center. A Profile: Dept. of Natural Resources, Natural Resources Management Center. NRMC, 1976.
警告：这些引文格式不一定是100％准确.