Gaya APA

Trefil, J., Hazen, R, M. (2000). The Sciences (2nd edition). : John Wiley & Sons.England.

Gaya MLA

Trefil, James., Hazen, Robert, M.. "The Sciences". 2nd edition : John Wiley & Sons.England, 2000. Skripsi, Tesis, Disertasi.