APA引文

Unesco. (1972). Curricula and syllabi in hydrology. Unesco paris.

Chicago Edition Citation

Unesco. Curricula and Syllabi in Hydrology. UNA: Unesco paris, 1972.

MLA引文

Unesco. Curricula and Syllabi in Hydrology. Unesco paris, 1972.

警告：這些引文格式不一定是100％准確.