APA引用形式

Ibrahim, M. A. (1990). Response of dwarf elephant grass (Pennisetum purpureum Schum) to different frequencies and intensities of grazing in the humid zone of Guápiles, Costa Rica.

シカゴスタイル引用形

Ibrahim, Muhammad Akbar. Response of Dwarf Elephant Grass (Pennisetum Purpureum Schum) to Different Frequencies and Intensities of Grazing in the Humid Zone of Guápiles, Costa Rica. 1990.

MLA引用形式

Ibrahim, Muhammad Akbar. Response of Dwarf Elephant Grass (Pennisetum Purpureum Schum) to Different Frequencies and Intensities of Grazing in the Humid Zone of Guápiles, Costa Rica. 1990.