APA استشهاد

Cross, A. D. (1969). An introduction to practical infra-red spectroscopy. Butterworths.

استشهاد بنمط شيكاغو

Cross, A. D. An Introduction to Practical Infra-red Spectroscopy. London: Butterworths, 1969.

MLA استشهاد

Cross, A. D. An Introduction to Practical Infra-red Spectroscopy. Butterworths, 1969.