APA استشهاد

Gupta, R. R., & Gupta, V. S. (1968). Income-tax: Law and practice (27th ed.). Agra Book Store.

استشهاد بنمط شيكاغو

Gupta, Rup Ram, و Vishnu Saran Gupta. Income-tax: Law and Practice. 27th ed. Agra: Agra Book Store, 1968.

MLA استشهاد

Gupta, Rup Ram, و Vishnu Saran Gupta. Income-tax: Law and Practice. 27th ed. Agra Book Store, 1968.