APA aipamena

McPherson, A. B. (1971). A new subspecies of the squirrel Sciurus variegatoides Ogilby from Costa Rica.

Chicago Style aipamena

McPherson, A. B. A New Subspecies of the Squirrel Sciurus Variegatoides Ogilby From Costa Rica. 1971.

MLA aipamena

McPherson, A. B. A New Subspecies of the Squirrel Sciurus Variegatoides Ogilby From Costa Rica. 1971.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.