एपीए उद्धरण

Singh Hartirath. (1977). Foreign trade review. IIFT.

शिकागो स्टाइल उद्धरण

Singh Hartirath. Foreign Trade Review. Bombay: IIFT, 1977.

एमएलए उद्धरण

Singh Hartirath. Foreign Trade Review. IIFT, 1977.