Dyfyniad APA

Discovery Channel (Firm), Discovery Communications, Inc, Discovery Networks, Cronkie Ward Company, Malone, A., Sutherland, D., . . . MacLowry, R. (1997). Galileo's dialogue. Discovery Communications.

Dyfyniad Arddull Chicago

Discovery Channel (Firm), et al. Galileo's Dialogue. Bethesda, Md: Discovery Communications, 1997.

Dyfyniad MLA

Discovery Channel (Firm), et al. Galileo's Dialogue. Discovery Communications, 1997.

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