APA引文

Popkin, B. M. (1974). An Evaluation of alternate vitamin A interventions in the Philippines. Cornell University.

Chicago Style (17th ed.) Citation

Popkin, Barry Michael. An Evaluation of Alternate Vitamin A Interventions in the Philippines. Ithaca, NY: Cornell University, 1974.

MLA引文

Popkin, Barry Michael. An Evaluation of Alternate Vitamin A Interventions in the Philippines. Cornell University, 1974.

警告：這些引文格式不一定是100％准確.