Speier, M. (1973). How to observe face-to-face communication: A sociological introduction. Goodyear Pub. Co..
Chicago-viite (17. p.)Speier, Matthew. How to Observe Face-to-face Communication: A Sociological Introduction. Pacific Palisades, Calif.: Goodyear Pub. Co., 1973.
MLA-viite (8. p.)Speier, Matthew. How to Observe Face-to-face Communication: A Sociological Introduction. Goodyear Pub. Co., 1973.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.