(1992). Health progress.
Cita Chicago (17th ed.)Health Progress. West Chester, PA, 1992.
Cita MLA (9th ed.)Health Progress. 1992.
Atenció: Aquestes cites poden no estar 100% correctes.
(1992). Health progress.
Cita Chicago (17th ed.)Health Progress. West Chester, PA, 1992.
Cita MLA (9th ed.)Health Progress. 1992.