Dyfyniad APA

Noakes, G., & Harris, B. (1971). Physics problems. Macmillan education limited.

Dyfyniad Arddull Chicago

Noakes, G.R, and B.K Harris. Physics Problems. Basingstoke: Macmillan education limited, 1971.

Dyfyniad MLA

Noakes, G.R, and B.K Harris. Physics Problems. Macmillan education limited, 1971.

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