APA استشهاد

Harborne, J. B. (1973). Phytochemical methods: A guide to modern techniques of plant analysis (2.).

استشهاد بنمط شيكاغو

Harborne, J B. Phytochemical Methods: A Guide to Modern Techniques of Plant Analysis. 2. Chapman & Hall Ltd., London, 1973.

MLA استشهاد

Harborne, J B. Phytochemical Methods: A Guide to Modern Techniques of Plant Analysis. 2. 1973.