Gaya APA
Schneider, Stephen E., Arny, Thomas T.. (2009).
Pathways to astronomy (2nd ed).
Boston:
McGraw-Hill.
Gaya Chicago
Schneider, Stephen E., Arny, Thomas T..
Pathways to astronomy.
2nd ed
Boston:
McGraw-Hill,
2009.
Text.
Gaya MLA
Schneider, Stephen E., Arny, Thomas T..
Pathways to astronomy.
2nd ed
Boston:
McGraw-Hill,
2009.
Text.
Gaya Turabian
Schneider, Stephen E., Arny, Thomas T..
Pathways to astronomy.
2nd ed
Boston:
McGraw-Hill,
2009.
Print.