Dyfyniad APA

Walker, W. R. (1987). Surface irrigation: Theory and practice. Englewood Cliffs, N.J: Prentice-Hall.

Dyfyniad Arddull Chicago

Walker, Wynn R. Surface Irrigation: Theory and Practice. Englewood Cliffs, N.J: Prentice-Hall, 1987.

Dyfyniad MLA

Walker, Wynn R. Surface Irrigation: Theory and Practice. Englewood Cliffs, N.J: Prentice-Hall, 1987.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.