Babbie, E. (2004). The Practice of Social Research (10th.). Thomson Learning.
Citación estilo ChicagoBabbie, Earl. The Practice of Social Research. 10th. Singapore: Thomson Learning, 2004.
Cita MLABabbie, Earl. The Practice of Social Research. 10th. Thomson Learning, 2004.
Warning: These citations may not always be 100% accurate.