Dyfyniad APA

Hegner, R. W., & Andrews, J. (1930). Problems and methods of research in protozoology.. The Macmillan company.

Dyfyniad Arddull Chicago

Hegner, Robert William, and Justin Andrews. Problems and Methods of Research in Protozoology.. New York: The Macmillan company, 1930.

Dyfyniad MLA

Hegner, Robert William, and Justin Andrews. Problems and Methods of Research in Protozoology.. The Macmillan company, 1930.

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