APA استشهاد

Ranganathan, S. R. (1991). Classified Catalogue Code (5 Edition.).

استشهاد بنمط شيكاغو

Ranganathan, S R. Classified Catalogue Code. 5 Edition. Sarada Ranganathan Endowment, Bangalore, 1991.

MLA استشهاد

Ranganathan, S R. Classified Catalogue Code. 5 Edition. 1991.