Prescott, G. W. (1954). How to know the fresh-water algae: An illustrated key for identifying the more common fresh-water algae to genus, with hundreds of species named and pictured and with numerous aids for their study. Dubuque, IA: Wm. C. Brown Publishers.
Παραπομπή Chicago StylePrescott, G. W. How to Know the Fresh-water Algae: An Illustrated Key for Identifying the More Common Fresh-water Algae to Genus, With Hundreds of Species Named and Pictured and With Numerous Aids for Their Study. Dubuque, IA: Wm. C. Brown Publishers, 1954.
Παραπομπή MLAPrescott, G. W. How to Know the Fresh-water Algae: An Illustrated Key for Identifying the More Common Fresh-water Algae to Genus, With Hundreds of Species Named and Pictured and With Numerous Aids for Their Study. Dubuque, IA: Wm. C. Brown Publishers, 1954.