Dyfyniad APA

Brown, P., & Stratton, G. (1964). World list of scientific periodicals published in the years 1900-1960 (4th ed.). Butter worths.

Dyfyniad Arddull Chicago

Brown, Peter, and George Stratton. World List of Scientific Periodicals Published in the Years 1900-1960. 4th ed. London: Butter worths, 1964.

Dyfyniad MLA

Brown, Peter, and George Stratton. World List of Scientific Periodicals Published in the Years 1900-1960. 4th ed. Butter worths, 1964.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.