Zweers, G. A. (1971). A stereotactic atlas of the brainstem of the Mallard: Anas platyrhynchos L. A stereotacti apparatus for birds and an investigation of the individual variability of some headstructures. Van Gorcum.
Chicago Style (17th ed.) CitationZweers, Gart Arie. A Stereotactic Atlas of the Brainstem of the Mallard: Anas Platyrhynchos L. A Stereotacti Apparatus for Birds and an Investigation of the Individual Variability of Some Headstructures. Assen: Van Gorcum, 1971.
MLA (9th ed.) CitationZweers, Gart Arie. A Stereotactic Atlas of the Brainstem of the Mallard: Anas Platyrhynchos L. A Stereotacti Apparatus for Birds and an Investigation of the Individual Variability of Some Headstructures. Van Gorcum, 1971.
Warning: These citations may not always be 100% accurate.