APA Style
Levy, Michael. (2009).
Space exploration .
Chicago:
Encyclopaedia Britannica.
Chicago Style
Levy, Michael.
Space exploration.
Chicago:
Encyclopaedia Britannica,
2009.
Referensi.
MLA Style
Levy, Michael.
Space exploration.
Chicago:
Encyclopaedia Britannica,
2009.
Referensi.
Turabian Style
Levy, Michael.
Space exploration.
Chicago:
Encyclopaedia Britannica,
2009.
Referensi.