Dyfyniad APA

O-Connor, R. J. The growth and development of birds. John Wiley and Sons.

Dyfyniad Arddull Chicago

O-Connor, Raymond J. The Growth and Development of Birds. John Wiley and Sons.

Dyfyniad MLA

O-Connor, Raymond J. The Growth and Development of Birds. John Wiley and Sons.

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