Παραπομπή σε μορφή APA (7η εκδ.)

Loonen, M. J. J. E. (1997). Goose breeding ecology: Overcoming successive hurdles to raise goslings. Rijksuniversiteit te Groningen.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Loonen, Martinus Johannes Joachim Ewald. Goose Breeding Ecology: Overcoming Successive Hurdles to Raise Goslings. [Groningen]: Rijksuniversiteit te Groningen, 1997.

Παραπομπή σε μορφή MLA (8th εκδ.)

Loonen, Martinus Johannes Joachim Ewald. Goose Breeding Ecology: Overcoming Successive Hurdles to Raise Goslings. Rijksuniversiteit te Groningen, 1997.