APA استشهاد

Kelly, F. H. C. (1963). Practical mathematics for chemists. butterworths.

استشهاد بنمط شيكاغو

Kelly, F. H. C. Practical Mathematics for Chemists. London: butterworths, 1963.

MLA استشهاد

Kelly, F. H. C. Practical Mathematics for Chemists. butterworths, 1963.