Gaya APA
Kalthoff, Klaus. (2001).
Analysis of biological development (edisi -2).
Boston:
McGraw-Hill Book Company.
Gaya Chicago
Kalthoff, Klaus.
Analysis of biological development.
edisi -2
Boston:
McGraw-Hill Book Company,
2001.
Text.
Gaya MLA
Kalthoff, Klaus.
Analysis of biological development.
edisi -2
Boston:
McGraw-Hill Book Company,
2001.
Text.
Gaya Turabian
Kalthoff, Klaus.
Analysis of biological development.
edisi -2
Boston:
McGraw-Hill Book Company,
2001.
Print.