एपीए उद्धरण

Hayes, R. L., & Goreau, N. I. (1998). The role of the length spines of echinoids in their association with crustacean and fish in Los Cabos, Baja California Sur, Mexico.

शिकागो स्टाइल उद्धरण

Hayes, Raymond L., और Nora I. Goreau. The Role of the Length Spines of Echinoids in Their Association With Crustacean and Fish in Los Cabos, Baja California Sur, Mexico. 1998.

एमएलए उद्धरण

Hayes, Raymond L., और Nora I. Goreau. The Role of the Length Spines of Echinoids in Their Association With Crustacean and Fish in Los Cabos, Baja California Sur, Mexico. 1998.