Dyfyniad APA

Chestnut, H. (1967). Systems engineering methods. Wiley Eastern.

Dyfyniad Arddull Chicago

Chestnut, Harold. Systems Engineering Methods. New York: Wiley Eastern, 1967.

Dyfyniad MLA

Chestnut, Harold. Systems Engineering Methods. Wiley Eastern, 1967.

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