Dyfyniad APA

STEVENS AL. (1990). TEACH YOUR SELF DOS 3.3 AND 4.0. BPB PUB.

Dyfyniad Arddull Chicago

STEVENS AL. TEACH YOUR SELF DOS 3.3 AND 4.0. BPB PUB, 1990.

Dyfyniad MLA

STEVENS AL. TEACH YOUR SELF DOS 3.3 AND 4.0. BPB PUB, 1990.

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