APA-referens (7:e uppl.)

KONCELIK, J. A. (1982). Aging and the product environment ed. 1. Huchinson Ross.

Chicago-referens (17:e uppl.)

KONCELIK, Joseph A. Aging and the Product Environment Ed. 1. Struodsburg: Huchinson Ross, 1982.

MLA-referens (9:e uppl.)

KONCELIK, Joseph A. Aging and the Product Environment Ed. 1. Huchinson Ross, 1982.