Dyfyniad APA

Wales A. P. (1969). International library directory: A world directory of libraries (3rd ed.).

Dyfyniad Arddull Chicago

Wales A. P. International Library Directory: A World Directory of Libraries. 3rd ed. 1969.

Dyfyniad MLA

Wales A. P. International Library Directory: A World Directory of Libraries. 3rd ed. 1969.

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