Gaya APA

Hoiberg, A, J. (1966). Bituminous Materials : Asphalts, Tars & Pitches Volume 3 : Coaltars & Pitches . New York: Interscience Publishers.

Gaya MLA

Hoiberg, Arnold, J.. "Bituminous Materials : Asphalts, Tars & Pitches Volume 3 : Coaltars & Pitches". New York: Interscience Publishers, 1966. Text.