APA引文

Brewbaker, J. L. (1975). Giant ipil-ipil promising source of fertilizer, feed and energy for the Philippines. USAID.

芝加哥风格引文

Brewbaker, James L. Giant Ipil-ipil Promising Source of Fertilizer, Feed and Energy for the Philippines. Manila: USAID, 1975.

MLA引文

Brewbaker, James L. Giant Ipil-ipil Promising Source of Fertilizer, Feed and Energy for the Philippines. USAID, 1975.

警告：这些引文格式不一定是100％准确.