Gaya APA

Halpern, P. (2004). The Great Beyond: Higher Dimension, Parallel Universe, and The Extraordinary Search for a Theory of Everything (cet. 1). New Jersey: John Wiley & Sons, Inc..

Gaya MLA

Halpern, Paul. "The Great Beyond: Higher Dimension, Parallel Universe, and The Extraordinary Search for a Theory of Everything". cet. 1 New Jersey: John Wiley & Sons, Inc., 2004. Text.