DELENS A H R. (1973). PRINCIPLES OF MARKET RESEARCH. CROSBY LOCKWOOD.
Chicagoスタイル(17版)引用形式DELENS A H R. PRINCIPLES OF MARKET RESEARCH. LONDON: CROSBY LOCKWOOD, 1973.
MLA(9版)引用形式DELENS A H R. PRINCIPLES OF MARKET RESEARCH. CROSBY LOCKWOOD, 1973.
警告: この引用は必ずしも正確ではありません.