Gaya APA
Sagan, Carl. (2006).
The varieties of scientific experience: a personal view of the search for god / Carl Sagan .
:
New York: The Penguin Press.
Gaya Chicago
Sagan, Carl.
The varieties of scientific experience: a personal view of the search for god / Carl Sagan.
:
New York: The Penguin Press,
2006.
Buku.
Gaya MLA
Sagan, Carl.
The varieties of scientific experience: a personal view of the search for god / Carl Sagan.
:
New York: The Penguin Press,
2006.
Buku.
Gaya Turabian
Sagan, Carl.
The varieties of scientific experience: a personal view of the search for god / Carl Sagan.
:
New York: The Penguin Press,
2006.
Buku.