APA引文

P A Peethambaran & S Ravi. (2002). Calcium and phosphorus requirements of indigenous layer ducks (Anas platyrhynchos ) (MVSC.). College of veterinary and animal science.

Chicago Edition Citation

P A Peethambaran and S Ravi. Calcium and Phosphorus Requirements of Indigenous Layer Ducks (Anas Platyrhynchos ). MVSC. College of veterinary and animal science, 2002.

MLA引文

P A Peethambaran and S Ravi. Calcium and Phosphorus Requirements of Indigenous Layer Ducks (Anas Platyrhynchos ). MVSC. College of veterinary and animal science, 2002.

警告：這些引文格式不一定是100％准確.