Cita APA

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

Chicago Edition Citation

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

Cita MLA

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

Atenció: Aquestes cites poden no estar 100% correctes.