Gaya APA

Newman, I., Carolyn, B, R. (1998). QUALITATIVE-QUANTITATIVE RESEARCH METHODOLOGY (Cetakan 1). Carbondale: Southern Illinois University Press.

Gaya MLA

Newman, Isadore., Carolyn, Benz, R.,. "QUALITATIVE-QUANTITATIVE RESEARCH METHODOLOGY". Cetakan 1 Carbondale: Southern Illinois University Press, 1998. Text.