एपीए उद्धरण

Sidhu,Harbans Singh. (1991). Agricultural development and rural labour: A case study of Punjab and Haryana. Concept Publishing.

शिकागो स्टाइल उद्धरण

Sidhu,Harbans Singh. Agricultural Development and Rural Labour: A Case Study of Punjab and Haryana. New Delhi: Concept Publishing, 1991.

एमएलए उद्धरण

Sidhu,Harbans Singh. Agricultural Development and Rural Labour: A Case Study of Punjab and Haryana. Concept Publishing, 1991.