Dyfyniad APA

Mayr, E., & ...[et al.]. (1969). Methods and principles of systematic zoology. TATA McGraw hill.

Dyfyniad Arddull Chicago

Mayr, Ernst, and ...[et al.]. Methods and Principles of Systematic Zoology. New delhi: TATA McGraw hill, 1969.

Dyfyniad MLA

Mayr, Ernst, and ...[et al.]. Methods and Principles of Systematic Zoology. TATA McGraw hill, 1969.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.