Lua APA (7ú heag.)

Pijpers, P. J. (1933). Geology and paleontology of Bonaire (D.W.I.). Oosthoek.

Lua i Stíl Chicago (17ú heag.)

Pijpers, Petrus Johannus. Geology and Paleontology of Bonaire (D.W.I.). Utrecht: Oosthoek, 1933.

Lua MLA (8ú heag.)

Pijpers, Petrus Johannus. Geology and Paleontology of Bonaire (D.W.I.). Oosthoek, 1933.

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