Dyfyniad APA

HENRY, J. G. (1989). Environmental Science And Angineering J. Glynn Henry And Gary W. Heinke. Prentice-Hall.

Dyfyniad Arddull Chicago

HENRY, J. Glynn. Environmental Science And Angineering J. Glynn Henry And Gary W. Heinke. Prentice-Hall, 1989.

Dyfyniad MLA

HENRY, J. Glynn. Environmental Science And Angineering J. Glynn Henry And Gary W. Heinke. Prentice-Hall, 1989.

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