Gaya APA
Sims, Lesley. (1993).
Exploring Space .
London:
Watts Books.
Gaya Chicago
Sims, Lesley.
Exploring Space.
London:
Watts Books,
1993.
Text.
Gaya MLA
Sims, Lesley.
Exploring Space.
London:
Watts Books,
1993.
Text.
Gaya Turabian
Sims, Lesley.
Exploring Space.
London:
Watts Books,
1993.
Print.