Gaya APA

Marshak, Stephen. (2012). Earth : Portrait of a Planet (4th. Edition). New York: W.W. Norton & Company.

Gaya Chicago

Marshak, Stephen. Earth : Portrait of a Planet. 4th. Edition New York: W.W. Norton & Company, 2012. Koleksi Buku Teks.

Gaya MLA

Marshak, Stephen. Earth : Portrait of a Planet. 4th. Edition New York: W.W. Norton & Company, 2012. Koleksi Buku Teks.

Gaya Turabian

Marshak, Stephen. Earth : Portrait of a Planet. 4th. Edition New York: W.W. Norton & Company, 2012. Koleksi Buku Teks.