Cita APA (7th ed.)

Wales, A. P. (1966). International Library direction: A world directory of libraries / Ed.: A. P. Wales. Wales.

Cita Chicago (17th ed.)

Wales, A. P. International Library Direction: A World Directory of Libraries / Ed.: A. P. Wales. London: Wales, 1966.

Cita MLA (8th ed.)

Wales, A. P. International Library Direction: A World Directory of Libraries / Ed.: A. P. Wales. Wales, 1966.