Gaya APA
modern Biological principles. (1966).
London:
D.Van Nostrand Company.
Gaya Chicago
modern Biological principles.
.
London:
D.Van Nostrand Company,
1966.
Buku.
Gaya MLA
modern Biological principles.
.
London:
D.Van Nostrand Company,
1966.
Buku.
Gaya Turabian
modern Biological principles.
London:
D.Van Nostrand Company,
1966.
Buku.