Cita APA (7a ed.)
Tra, V. T. T., Ngan, P. H., Nhiem, D. V., Ha, N. M., & Unger, F. (2015). Biosecurity practices in small-scale pig farms in Hung Yen and Nghe An, Vietnam. Vietnam National University of Agriculture.
Cita Chicago Style (17a ed.)
Tra, Vu Thi Thu, Pham Hong Ngan, Duong Van Nhiem, Ngo Minh Ha, y Fred Unger. Biosecurity Practices in Small-scale Pig Farms in Hung Yen and Nghe An, Vietnam. Vietnam National University of Agriculture, 2015.
Cita MLA (9a ed.)
Tra, Vu Thi Thu, et al. Biosecurity Practices in Small-scale Pig Farms in Hung Yen and Nghe An, Vietnam. Vietnam National University of Agriculture, 2015.
Precaución: Estas citas no son 100% exactas.