Gaya APA
Spangenburg, Ray. (2001).
Project Apollo : Ray Spangenburg, Kit Moser .
New York:
Franklin Watts.
Gaya Chicago
Spangenburg, Ray.
Project Apollo : Ray Spangenburg, Kit Moser.
New York:
Franklin Watts,
2001.
English Corner.
Gaya MLA
Spangenburg, Ray.
Project Apollo : Ray Spangenburg, Kit Moser.
New York:
Franklin Watts,
2001.
English Corner.
Gaya Turabian
Spangenburg, Ray.
Project Apollo : Ray Spangenburg, Kit Moser.
New York:
Franklin Watts,
2001.
English Corner.