Hovland, C. I. and Lumsdaine, A. A.. "INTRODUCTION TO PART II". Experiments on Mass Communication, Princeton: Princeton University Press, 1971, pp. 179-181. https://doi.org/10.1515/9781400886807-009
Hovland, C. & Lumsdaine, A. (1971). INTRODUCTION TO PART II. In Experiments on Mass Communication (pp. 179-181). Princeton: Princeton University Press. https://doi.org/10.1515/9781400886807-009
Hovland, C. and Lumsdaine, A. 1971. INTRODUCTION TO PART II. Experiments on Mass Communication. Princeton: Princeton University Press, pp. 179-181. https://doi.org/10.1515/9781400886807-009
Hovland, C. I. and Lumsdaine, A. A.. "INTRODUCTION TO PART II" In Experiments on Mass Communication, 179-181. Princeton: Princeton University Press, 1971. https://doi.org/10.1515/9781400886807-009
Hovland C, Lumsdaine A. INTRODUCTION TO PART II. In: Experiments on Mass Communication. Princeton: Princeton University Press; 1971. p.179-181. https://doi.org/10.1515/9781400886807-009