Jaques, H. E. (1949). Plant families: How to know them (2nd ed.). Dubuque, IA: Brown.
Παραπομπή Chicago StyleJaques, H. E. Plant Families: How to Know Them. 2nd ed. Dubuque, IA: Brown, 1949.
Παραπομπή MLAJaques, H. E. Plant Families: How to Know Them. 2nd ed. Dubuque, IA: Brown, 1949.
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