Viljoen. (2016). Stable Isotopes to Trace Migratory Birds and to Identify Harmful Diseases (1.). Springer International Publishing.
Citazione stile Chigago Style (17a edizione)Viljoen. Stable Isotopes to Trace Migratory Birds and to Identify Harmful Diseases. 1. Springer International Publishing, 2016.
Citatione MLA (8a ed.)Viljoen. Stable Isotopes to Trace Migratory Birds and to Identify Harmful Diseases. 1. Springer International Publishing, 2016.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.