APA استشهاد

Singh, B. . e. a. (1997). Company secretarial practice (2nd rev. ed.). Kalyani.

استشهاد بنمط شيكاغو

Singh, B.P. et al. Company Secretarial Practice. 2nd rev. ed. Ludhiana: Kalyani, 1997.

MLA استشهاد

Singh, B.P. et al. Company Secretarial Practice. 2nd rev. ed. Kalyani, 1997.