Gaya APA
Bouma, Steven. (2010).
For the Beauty of the Earth (2nd ed.).
USA:
Baker Academic.
Gaya Chicago
Bouma, Steven.
For the Beauty of the Earth.
2nd ed.
USA:
Baker Academic,
2010.
Text.
Gaya MLA
Bouma, Steven.
For the Beauty of the Earth.
2nd ed.
USA:
Baker Academic,
2010.
Text.
Gaya Turabian
Bouma, Steven.
For the Beauty of the Earth.
2nd ed.
USA:
Baker Academic,
2010.
Print.