एपीए उद्धरण

Waller, C. E. (1937). Concerning opportunities for physicians to Bolivia.

शिकागो स्टाइल उद्धरण

Waller, C. E. Concerning Opportunities for Physicians to Bolivia. 1937.

एमएलए उद्धरण

Waller, C. E. Concerning Opportunities for Physicians to Bolivia. 1937.