Lemon, P. C., & Russell, N. H. (1970). General botany manual: Exercises on the life histories, structures, physiology and ecology of the plant kingdom (Tercera edición.). The C. V. Mosby Company.
Citace podle Chicago (17th ed.)Lemon, Paul C., a Norman H. Russell. General Botany Manual: Exercises on the Life Histories, Structures, Physiology and Ecology of the Plant Kingdom. Tercera edición. Saint Louis: The C. V. Mosby Company, 1970.
Citace podle MLA (9th ed.)Lemon, Paul C., a Norman H. Russell. General Botany Manual: Exercises on the Life Histories, Structures, Physiology and Ecology of the Plant Kingdom. Tercera edición. The C. V. Mosby Company, 1970.
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