True, J. A. (1983). Finding out conducting and evaluating social research. Wadsworth.
Citazione stile Chigago Style (17a edizione)True, June Audrey. Finding Out Conducting and Evaluating Social Research. Califonia: Wadsworth, 1983.
Citatione MLA (9a ed.)True, June Audrey. Finding Out Conducting and Evaluating Social Research. Wadsworth, 1983.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.