Wallack, L. M. (1993). Media advocacy and public health: Power for prevention. Sage.
Cita Chicago (17th ed.)Wallack, Lawrence Marshall. Media Advocacy and Public Health: Power for Prevention. Newbury Park, Calif: Sage, 1993.
Cita MLA (9th ed.)Wallack, Lawrence Marshall. Media Advocacy and Public Health: Power for Prevention. Sage, 1993.
Atenció: Aquestes cites poden no estar 100% correctes.