APA-referens

Pool, R. J. (1941). Flower and flowering plants: An introduction to the nature and work of flowers and the classification of flowering plants (2.). Mc Graw- Hill Book Company Inc.

Chicago-stil citat

Pool, Raymond J. Flower and Flowering Plants: An Introduction to the Nature and Work of Flowers and the Classification of Flowering Plants. 2. New York: Mc Graw- Hill Book Company Inc, 1941.

MLA-referens

Pool, Raymond J. Flower and Flowering Plants: An Introduction to the Nature and Work of Flowers and the Classification of Flowering Plants. 2. Mc Graw- Hill Book Company Inc, 1941.