Cita APA (7th ed.)

Thomas, N., & Mateo, N. (1993). Seed-production mechanisms. International Development Research Centre.

Cita Chicago (17th ed.)

Thomas, Neil, i Nicolás Mateo. Seed-production Mechanisms. Singapur: International Development Research Centre, 1993.

Cita MLA (9th ed.)

Thomas, Neil, i Nicolás Mateo. Seed-production Mechanisms. International Development Research Centre, 1993.