APA استشهاد

Ala, R. A. (1966). Special libraries and imformation bureaux: An examination guide. Asia.

استشهاد بنمط شيكاغو

Ala, Roland Astall. Special Libraries and Imformation Bureaux: An Examination Guide. Bombay: Asia, 1966.

MLA استشهاد

Ala, Roland Astall. Special Libraries and Imformation Bureaux: An Examination Guide. Asia, 1966.