APA aipamena

Soil conservation science. (1990). Drainage of agricultural land: A practical hand book for the planning design construction and maintenanace of agricultural drainage system. Scientific Publishers.

Chicago Style aipamena

Soil conservation science. Drainage of Agricultural Land: A Practical Hand Book for the Planning Design Construction and Maintenanace of Agricultural Drainage System. Jodhpur: Scientific Publishers, 1990.

MLA aipamena

Soil conservation science. Drainage of Agricultural Land: A Practical Hand Book for the Planning Design Construction and Maintenanace of Agricultural Drainage System. Scientific Publishers, 1990.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.