Παραπομπή APA

Enthoven, A. C., & Tollen, L. A. (2004). Toward a 21st century health system: The contributions and promise of prepaid group practice. San Francisco: Jossey-Bass.

Παραπομπή Chicago Style

Enthoven, Alain C., and Laura A. Tollen. Toward a 21st Century Health System: The Contributions and Promise of Prepaid Group Practice. San Francisco: Jossey-Bass, 2004.

Παραπομπή MLA

Enthoven, Alain C., and Laura A. Tollen. Toward a 21st Century Health System: The Contributions and Promise of Prepaid Group Practice. San Francisco: Jossey-Bass, 2004.

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