Lua APA (7ú heag.)

Calder, R. (1951). Profile of science. Allen and Unwin.

Lua i Stíl Chicago (17ú heag.)

Calder, Ritchie. Profile of Science. London: Allen and Unwin, 1951.

Lua MLA (8ú heag.)

Calder, Ritchie. Profile of Science. Allen and Unwin, 1951.

Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.