Dyfyniad APA

(1995). Library Of Congress Subject Headings 18 Th. Edition Volume I-iv. L C.

Dyfyniad Arddull Chicago

Library Of Congress Subject Headings 18 Th. Edition Volume I-iv. L C, 1995.

Dyfyniad MLA

Library Of Congress Subject Headings 18 Th. Edition Volume I-iv. L C, 1995.

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