APA-ийн эшлэл(7 дахь хэвлэлт)

Bertelli, S., Giannini, N. P., & Ksepka, D. T. (2006). Fig. 15 in Redescription and Phylogenetic Position of the Early Miocene Penguin Paraptenodytes antarcticus from Patagonia. Zenodo.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

Bertelli, Sara, Norberto P. Giannini, ба Daniel T. Ksepka. Fig. 15 in Redescription and Phylogenetic Position of the Early Miocene Penguin Paraptenodytes Antarcticus from Patagonia. Zenodo, 2006.

MLA -ийн эшлэл (9 дэх хэвлэлт)

Bertelli, Sara, et al. Fig. 15 in Redescription and Phylogenetic Position of the Early Miocene Penguin Paraptenodytes Antarcticus from Patagonia. Zenodo, 2006.