Dyfyniad APA

(1988). Oregon State University Bulletin Graduate Catalog 1988-1990. Oregan State University.

Dyfyniad Arddull Chicago

Oregon State University Bulletin Graduate Catalog 1988-1990. Oregan State University, 1988.

Dyfyniad MLA

Oregon State University Bulletin Graduate Catalog 1988-1990. Oregan State University, 1988.

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