APA (7e ed.) Bronvermelding

Hillier, S. M., & Barrow, G. M. (2011). Aging, the individual, and society (Ninth edition.). Wadsworth Cengage Learning.

Chicago (17e ed.) Bronvermelding

Hillier, Susan M., en Georgia M. Barrow. Aging, the Individual, and Society. Ninth edition. Australia: Wadsworth Cengage Learning, 2011.

MLA (9e ed.) Bronvermelding

Hillier, Susan M., en Georgia M. Barrow. Aging, the Individual, and Society. Ninth edition. Wadsworth Cengage Learning, 2011.