Gaya APA

Hexem, Roger W.. (1978). Water production functions for irrigated agriculture (text). Iowa: Iowa state university.

Gaya Chicago

Hexem, Roger W.. Water production functions for irrigated agriculture. text Iowa: Iowa state university, 1978. Tesis.

Gaya MLA

Hexem, Roger W.. Water production functions for irrigated agriculture. text Iowa: Iowa state university, 1978. Tesis.

Gaya Turabian

Hexem, Roger W.. Water production functions for irrigated agriculture. text Iowa: Iowa state university, 1978. Tesis.