Dyfyniad APA

Hellemans, A., & Bunch, B. H. (1988). The timetables of science: A chronology of the most important people and events in the history of science. Simon and Schuster.

Dyfyniad Arddull Chicago

Hellemans, Alexander, and Bryan H. Bunch. The Timetables of Science: A Chronology of the Most Important People and Events in the History of Science. New York: Simon and Schuster, 1988.

Dyfyniad MLA

Hellemans, Alexander, and Bryan H. Bunch. The Timetables of Science: A Chronology of the Most Important People and Events in the History of Science. Simon and Schuster, 1988.

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