American Psychological Association
Black, James A, & Champion, Dean J ( 1976 ). Methods and Issues in Social Research ( 00 ed. ). John Wiley & Sons Ltd.
Modern Language Association
Black, James A and Champion, Dean J. Methods and Issues in Social Research . John Wiley & Sons Ltd. 1976
Chicago Citation
Black, James A and Champion, Dean J. Methods and Issues in Social Research . 00 .New York
: John Wiley & Sons Ltd, 1976.
American Medical Association
Black, James A and Champion, Dean J. Methods and Issues in Social Research . John Wiley & Sons Ltd; 1976.
