Gaya APA
Jackson, Jerome A.; Trumpey, Joseph E.; Olendorf, Donna; Hutchins, Michael; Grzimek, Bernhard; Bock,. ().
Grzimek's animal life encyclopedia. / 8, Birds I. 9Birds II. 10. Birds III. 11, Birds IV [2nd edition] .
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.
Gaya Chicago
Jackson, Jerome A.; Trumpey, Joseph E.; Olendorf, Donna; Hutchins, Michael; Grzimek, Bernhard; Bock,.
Grzimek's animal life encyclopedia. / 8, Birds I. 9Birds II. 10. Birds III. 11, Birds IV [2nd edition].
:
,
.
Ekonomi Pertanian.
Gaya MLA
Jackson, Jerome A.; Trumpey, Joseph E.; Olendorf, Donna; Hutchins, Michael; Grzimek, Bernhard; Bock,.
Grzimek's animal life encyclopedia. / 8, Birds I. 9Birds II. 10. Birds III. 11, Birds IV [2nd edition].
:
,
.
Ekonomi Pertanian.
Gaya Turabian
Jackson, Jerome A.; Trumpey, Joseph E.; Olendorf, Donna; Hutchins, Michael; Grzimek, Bernhard; Bock,.
Grzimek's animal life encyclopedia. / 8, Birds I. 9Birds II. 10. Birds III. 11, Birds IV [2nd edition].
:
,
.
Ekonomi Pertanian.