Παραπομπή APA

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

Παραπομπή Chicago Style

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

Παραπομπή MLA

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