Chapman, F. M. (1920). Bird-life: A guide to the study of our common birds with seventy-five full-page colored plates after drawins. D Appleton and Company.
Chicago-Zitierstil (17. Ausg.)Chapman, Frank Michler. Bird-life: A Guide to the Study of Our Common Birds with Seventy-five Full-page Colored Plates After Drawins. Nueva York,Estados UnidosLondres,Inglaterra: D Appleton and Company, 1920.
MLA-Zitierstil (9. Ausg.)Chapman, Frank Michler. Bird-life: A Guide to the Study of Our Common Birds with Seventy-five Full-page Colored Plates After Drawins. D Appleton and Company, 1920.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.