Gaya APA
Koncelik, Joseph A.. (1982).
Aging and the product environment .
America:
Hutchinson Ross Publishing Company.
Gaya Chicago
Koncelik, Joseph A..
Aging and the product environment.
America:
Hutchinson Ross Publishing Company,
1982.
Text.
Gaya MLA
Koncelik, Joseph A..
Aging and the product environment.
America:
Hutchinson Ross Publishing Company,
1982.
Text.
Gaya Turabian
Koncelik, Joseph A..
Aging and the product environment.
America:
Hutchinson Ross Publishing Company,
1982.
Print.