Cita APA (7th ed.)
Ghildyal, B. P., & Tripathi, R. P. (2017). Soil physics (2nd ed.). New Age.
Cita Chicago (17th ed.)
Ghildyal, B P., i R P. Tripathi. Soil Physics. 2nd ed. Kolkata: New Age, 2017.
Cita MLA (9th ed.)
Ghildyal, B P., i R P. Tripathi. Soil Physics. 2nd ed. New Age, 2017.
Atenció: Aquestes cites poden no estar 100% correctes.