Gaya APA
Sparrow, Giles, Sobel, Dava. (2013).
Cosmos .
New York:
Quercus Publishing Inc..
Gaya Chicago
Sparrow, Giles, Sobel, Dava.
Cosmos.
New York:
Quercus Publishing Inc.,
2013.
Text.
Gaya MLA
Sparrow, Giles, Sobel, Dava.
Cosmos.
New York:
Quercus Publishing Inc.,
2013.
Text.
Gaya Turabian
Sparrow, Giles, Sobel, Dava.
Cosmos.
New York:
Quercus Publishing Inc.,
2013.
Print.