APA ציטוט

Pitt, G. J., & Millward, G. R. (1979). Coal and modern coal processing: An introduction. London : Academic Pr..

Chicago Style (17th ed.) Citation

Pitt, G. J., and G. R. Millward. Coal and Modern Coal Processing: An Introduction. London : Academic Pr., 1979.

ציטוט MLA

Pitt, G. J., and G. R. Millward. Coal and Modern Coal Processing: An Introduction. London : Academic Pr., 1979.