Dyfyniad APA

Skinner, B. J. (1981). The solar system and its strange objects. William Kaufmann Inc.

Dyfyniad Arddull Chicago

Skinner, Brian J. The Solar System and Its Strange Objects. Los Altos, California: William Kaufmann Inc, 1981.

Dyfyniad MLA

Skinner, Brian J. The Solar System and Its Strange Objects. William Kaufmann Inc, 1981.

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