एपीए उद्धरण

Elmes, P. C., & Simpson, M. J. C. (1971). Insulation workers in Belfast. 3. Mortality 1940-66.

शिकागो स्टाइल उद्धरण

Elmes, P. C., और Marion J. C. Simpson. Insulation Workers in Belfast. 3. Mortality 1940-66. 1971.

एमएलए उद्धरण

Elmes, P. C., और Marion J. C. Simpson. Insulation Workers in Belfast. 3. Mortality 1940-66. 1971.