Gaya APA

Evans, I., Pomeroy, C, D. (1966). The Strength, Fracture and Workability of Coal (1). Oxford: Pergamon Press.

Gaya MLA

Evans, Ivor., Pomeroy, C., D. "The Strength, Fracture and Workability of Coal". 1 Oxford: Pergamon Press, 1966. Text.