Welch, S., & Comer, J. (1975). Public opinion: Its formation, measurement, and impact. Mayfield.
Chicagoスタイル(17版)引用形式Welch, Susan, , John Comer. Public Opinion: Its Formation, Measurement, and Impact. Palo Alto, Calif: Mayfield, 1975.
MLA(9版)引用形式Welch, Susan, , John Comer. Public Opinion: Its Formation, Measurement, and Impact. Mayfield, 1975.
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