एपीए उद्धरण

Singh, R. K. (1970). Changing horizon: A study of future prospects for engineering goods export. Bombay: Sindhu Publications.

शिकागो स्टाइल उद्धरण

Singh, R. K. Changing Horizon: A Study of Future Prospects for Engineering Goods Export. Bombay: Sindhu Publications, 1970.

एमएलए उद्धरण

Singh, R. K. Changing Horizon: A Study of Future Prospects for Engineering Goods Export. Bombay: Sindhu Publications, 1970.