Dyfyniad APA

Bochinski, J. B. (1991). The complete handbook of science fair projects. Wiley.

Dyfyniad Arddull Chicago

Bochinski, Julianne Blair. The Complete Handbook of Science Fair Projects. New York: Wiley, 1991.

Dyfyniad MLA

Bochinski, Julianne Blair. The Complete Handbook of Science Fair Projects. Wiley, 1991.

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