Gaya APA

WISHON, G, E., BURKS, J, M. (1980). Let's Write English: revised edition (Edisi Revisi). New York: Litton Educational Publishing International.

Gaya MLA

WISHON, George, E.., BURKS, Julia, M.. "Let's Write English: revised edition". Edisi Revisi New York: Litton Educational Publishing International, 1980. Text.