Dyfyniad APA

Bjelland, H. (1992). Using online scientific & engineering databases. Windcrest.

Dyfyniad Arddull Chicago

Bjelland, Harley. Using Online Scientific & Engineering Databases. Blue Ridge Summit, PA: Windcrest, 1992.

Dyfyniad MLA

Bjelland, Harley. Using Online Scientific & Engineering Databases. Windcrest, 1992.

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