Cita APA (7th ed.)
RUBIN, R., & KOELLN, K. (1994). OUT-OF-POCKET HEALTH EXPENDITURE DIFFERENTIALS BETWEEN ELDERLY AND NON-ELDERLY HOUSEHOLDS.
Cita Chicago (17th ed.)
RUBIN, R.M, i K. KOELLN. OUT-OF-POCKET HEALTH EXPENDITURE DIFFERENTIALS BETWEEN ELDERLY AND NON-ELDERLY HOUSEHOLDS. 1994.
Cita MLA (9th ed.)
RUBIN, R.M, i K. KOELLN. OUT-OF-POCKET HEALTH EXPENDITURE DIFFERENTIALS BETWEEN ELDERLY AND NON-ELDERLY HOUSEHOLDS. 1994.
Atenció: Aquestes cites poden no estar 100% correctes.