Osgood, D. (1978). Pressure points: The christian's response to stress. Christian Herald.
Cita Chicago (17th ed.)Osgood, Dan. Pressure Points: The Christian's Response to Stress. New York: Christian Herald, 1978.
Cita MLA (9th ed.)Osgood, Dan. Pressure Points: The Christian's Response to Stress. Christian Herald, 1978.
Atenció: Aquestes cites poden no estar 100% correctes.