Dyfyniad APA

Veldmeijer, A. J., Witton, M., & Nieuwland, I. (2012). Pterosaurs: Flying contemporaries of the dinosaurs. Sidestone Press.

Dyfyniad Arddull Chicago

Veldmeijer, André J., Mark Witton, and Ilja Nieuwland. Pterosaurs: Flying Contemporaries of the Dinosaurs. Leiden: Sidestone Press, 2012.

Dyfyniad MLA

Veldmeijer, André J., et al. Pterosaurs: Flying Contemporaries of the Dinosaurs. Sidestone Press, 2012.

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