Cita APA (7a ed.)
Ngoan, T. N., Quyen, T. N., Loan, T. P., & Kawano, K. (1998). Cassava varietal improvement in Vietnam. International Center for Tropical Agriculture.
Cita Chicago Style (17a ed.)
Ngoan, Tran Ngoc, Tran Ngoc Quyen, Trinh Phuong Loan, y Kazuo Kawano. Cassava Varietal Improvement in Vietnam. International Center for Tropical Agriculture, 1998.
Cita MLA (9a ed.)
Ngoan, Tran Ngoc, et al. Cassava Varietal Improvement in Vietnam. International Center for Tropical Agriculture, 1998.
Precaución: Estas citas no son 100% exactas.