Gaya APA

Koncelik, Joseph A. (1982). Aging and the product environment . Strondsburg: Hutchinson Ross.

Gaya Chicago

Koncelik, Joseph A. Aging and the product environment. Strondsburg: Hutchinson Ross, 1982. Buku.

Gaya MLA

Koncelik, Joseph A. Aging and the product environment. Strondsburg: Hutchinson Ross, 1982. Buku.

Gaya Turabian

Koncelik, Joseph A. Aging and the product environment. Strondsburg: Hutchinson Ross, 1982. Buku.