Pipa (kikker) (Dutch Wikipedia)

Analysis of information sources in references of the Wikipedia article "Pipa (kikker)" in Dutch language version.

refsWebsite

Global rank Dutch rank

2iucnredlist.org

88^th place

20^th place

6^th place

25^th place

1,423^rd place

17^th place

1,578^th place

162^nd place

1amphibiaweb.org

7,283^rd place

526^th place

459^th place

573^rd place

amnh.org

research.amnh.org

Darrel R. Frost – Amphibian Species of the World: an online reference – Version 6.0 – American Museum of Natural History, Pipa pipa. ^{[dode link]}

amphibiaweb.org

University of California – AmphibiaWeb, Pipa pipa.

archive.org

David Badger (1995). Frogs. Voyageur Press, Pagina 102, 103. ISBN 978 0 89658 674 1.
Ken Preston-Mafham (1999). Frogs and Toads. Apple Identifier, Pagina 16. ISBN 1-84092-205-2.

google.nl

books.google.nl

Martin Houhyun, Natuurlyke historie of Uitvoerige Beschryving der Dieren Planten etc (1764 ).

iucnredlist.org

(en) Pipa op de IUCN Red List of Threatened Species.
IUCN, Pipa pipa.

umich.edu

animaldiversity.ummz.umich.edu

Animal Diversity Web, TITEL.