Welch, S., & Comer, J. (1975). Public opinion: Its formation, measurement, and impact. Mayfield.
Цитирование в стиле Чикаго (17-е изд.)Welch, Susan, и John Comer. Public Opinion: Its Formation, Measurement, and Impact. Palo Alto, Calif: Mayfield, 1975.
Цитирование MLA (9-е изд.)Welch, Susan, и John Comer. Public Opinion: Its Formation, Measurement, and Impact. Mayfield, 1975.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.