Wales, A. P. (1966). International Library direction: A world directory of libraries / Ed.: A. P. Wales. Wales.
Chicago-Zitierstil (17. Ausg.)Wales, A. P. International Library Direction: A World Directory of Libraries / Ed.: A. P. Wales. London: Wales, 1966.
MLA-Zitierstil (8. Ausg.)Wales, A. P. International Library Direction: A World Directory of Libraries / Ed.: A. P. Wales. Wales, 1966.
警告：這些引文格式不一定是100％准確.