APA

(19). LEARN ABOUT BIRDS. 1978: FEP INTERNATIONAL PRIVATE.

Chicago

19. LEARN ABOUT BIRDS. 1978: FEP INTERNATIONAL PRIVATE.

Harvard

(19). LEARN ABOUT BIRDS. 1978: FEP INTERNATIONAL PRIVATE.

MLA

LEARN ABOUT BIRDS. 1978: FEP INTERNATIONAL PRIVATE. 19.