Cita APA (7th ed.)

Singh, S. P., & Somani, L. L. (2009). Principles of vegetable production (3rd ed.). Agrotech Publishing Academy.

Cita Chicago (17th ed.)

Singh, S. P., i L. L. Somani. Principles of Vegetable Production. 3rd ed. Udaipur: Agrotech Publishing Academy, 2009.

Cita MLA (9th ed.)

Singh, S. P., i L. L. Somani. Principles of Vegetable Production. 3rd ed. Agrotech Publishing Academy, 2009.