Gaya APA
Parker, Syblil P., Pasachoff, Jay M.. (1993).
McGraw-Hill encyclopedia of astronomy (2nd ed).
New York:
McGraw Hill.
Gaya Chicago
Parker, Syblil P., Pasachoff, Jay M..
McGraw-Hill encyclopedia of astronomy.
2nd ed
New York:
McGraw Hill,
1993.
Text.
Gaya MLA
Parker, Syblil P., Pasachoff, Jay M..
McGraw-Hill encyclopedia of astronomy.
2nd ed
New York:
McGraw Hill,
1993.
Text.
Gaya Turabian
Parker, Syblil P., Pasachoff, Jay M..
McGraw-Hill encyclopedia of astronomy.
2nd ed
New York:
McGraw Hill,
1993.
Print.