Gaya APA

Britanica illustrated science library: Birds. (2008). Chicago: Encyclopedia Britanica.

Gaya Chicago

Britanica illustrated science library: Birds. . Chicago: Encyclopedia Britanica, 2008. Reference.

Gaya MLA

Britanica illustrated science library: Birds. . Chicago: Encyclopedia Britanica, 2008. Reference.

Gaya Turabian

Britanica illustrated science library: Birds. Chicago: Encyclopedia Britanica, 2008. Reference.