APA(7版)引用形式

Avtar singh. (1989). Law Contract (5.). Eastern Book company.

Chicagoスタイル(17版)引用形式

Avtar singh. Law Contract. 5. New Delhi: Eastern Book company, 1989.

MLA(9版)引用形式

Avtar singh. Law Contract. 5. Eastern Book company, 1989.