APA Style
THE ENCYCLOPEDIA OF BIRDS. (1986).
SPAIN:
GROLIER INTERNATIONAL.
Chicago Style
THE ENCYCLOPEDIA OF BIRDS.
NULL.
SPAIN:
GROLIER INTERNATIONAL,
1986.
Referensi.
MLA Style
THE ENCYCLOPEDIA OF BIRDS.
NULL.
SPAIN:
GROLIER INTERNATIONAL,
1986.
Referensi.
Turabian Style
THE ENCYCLOPEDIA OF BIRDS.
SPAIN:
GROLIER INTERNATIONAL,
1986.
Referensi.