Gaya APA

Richey, R, C., Klien, J, D. (2007). Design And Development Research: Methods, Strategies, And Issues . USA: Lawrence Erlbaum Association.

Gaya MLA

Richey, Rita, C.., Klien, James, D.. "Design And Development Research: Methods, Strategies, And Issues". USA: Lawrence Erlbaum Association, 2007. Text.