Gaya APA
Sims, Lesley, Felicity Trotman. (2001).
Planet .
Jakarta:
Grolier Education.
Gaya Chicago
Sims, Lesley, Felicity Trotman.
Planet.
Jakarta:
Grolier Education,
2001.
Astronomi.
Gaya MLA
Sims, Lesley, Felicity Trotman.
Planet.
Jakarta:
Grolier Education,
2001.
Astronomi.
Gaya Turabian
Sims, Lesley, Felicity Trotman.
Planet.
Jakarta:
Grolier Education,
2001.
Astronomi.