De Leon, M. V. (1995). Basic agriculture: A practical guide for students. Phoenix Pub.
Chicago Style (17. basım) AtıfDe Leon, Manuel V. Basic Agriculture: A Practical Guide for Students. Quezon City: Phoenix Pub, 1995.
MLA (9th ed.) AtıfDe Leon, Manuel V. Basic Agriculture: A Practical Guide for Students. Phoenix Pub, 1995.
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