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♦ ¹DIET OF THE PERUVIAN DIVING PETREL PELECANOIDES GARNOTII AT LA VIEJA ISLAND, PERU, 1997–2000: POTENTIAL FISHERY INTERACTIONS AND CONSERVATION IMPLICATIONS, IGNACIO GARCÍA-GODOS & ELISA GOYA, Marine Ornithology 34: 33–41 (2006)
♦ ²del Hoyo, J., Elliott, A., Sargatal, J., Christie, D.A. & de Juana, E. (eds.). Handbook of the Birds of the World Alive. Lynx Edicions, Barcelona.
♦ ³THE PREDATION OF GUANO BIRDS ON THE PERUVIAN ANCHOVY (Engraulis ringens JENYNS), Romulo Jordán, CALIFORNIA COOPERATIVE OCEANIC FISHERIES INVESTIGATIONS, REPORTS VOLUME XI, 1 JULY 1963 TO 30 JUNE 1966, p. 105-109