Dyfyniad APA

Williams, J. G. (1972). Classified library of congress subject headings. V1- Classfied list. Marcel Dekker.

Dyfyniad Arddull Chicago

Williams, James G. Classified Library of Congress Subject Headings. V1- Classfied List. New York: Marcel Dekker, 1972.

Dyfyniad MLA

Williams, James G. Classified Library of Congress Subject Headings. V1- Classfied List. Marcel Dekker, 1972.

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