Kenneth, J. (1963). A dictionary of the biological terms: Pronunciation, derivation, and definition of terms in biology, botany, zoology, anatomy, cytology, genetics, embryology, physiology (8th ed.). Oliver and Boyd.

Kenneth, J.H. A Dictionary of the Biological Terms: Pronunciation, Derivation, and Definition of Terms in Biology, Botany, Zoology, Anatomy, Cytology, Genetics, Embryology, Physiology. 8th ed. Edinburgh: Oliver and Boyd, 1963.

Kenneth, J.H. A Dictionary of the Biological Terms: Pronunciation, Derivation, and Definition of Terms in Biology, Botany, Zoology, Anatomy, Cytology, Genetics, Embryology, Physiology. 8th ed. Oliver and Boyd, 1963.