Ed. Parker, S. P. (1982). Synopsis and classification of living organisms. McGraw-Hill.
Cita Chicago (17th ed.)Ed. Parker, Sybil P. Synopsis and Classification of Living Organisms. New York: McGraw-Hill, 1982.
Cita MLA (9th ed.)Ed. Parker, Sybil P. Synopsis and Classification of Living Organisms. McGraw-Hill, 1982.
Atenció: Aquestes cites poden no estar 100% correctes.