Gaya APA

, ., Halpern, P. (2004). The Great Beyond: Higher Dimensions, Parallel Universes, and the Extraordinary Search for a Theory of Everything . New Jersey: .

Gaya MLA

, ., Halpern, Paul. "The Great Beyond: Higher Dimensions, Parallel Universes, and the Extraordinary Search for a Theory of Everything". New Jersey: , 2004. .