Gaya APA
Robson, Denny, Constatin Z. Dupe. (1993).
Mengamati Planet (Cet. 1.--).
Jakarta:
Taman Gahara.
Gaya Chicago
Robson, Denny, Constatin Z. Dupe.
Mengamati Planet.
Cet. 1.--
Jakarta:
Taman Gahara,
1993.
Text.
Gaya MLA
Robson, Denny, Constatin Z. Dupe.
Mengamati Planet.
Cet. 1.--
Jakarta:
Taman Gahara,
1993.
Text.
Gaya Turabian
Robson, Denny, Constatin Z. Dupe.
Mengamati Planet.
Cet. 1.--
Jakarta:
Taman Gahara,
1993.
Print.