Gaya APA
Heller, R, F. (1995).
Health for Life: Reversing the Single Most Important Health Risk Factor of Your Life .
New York:
A Dutton Book.
Gaya MLA
Heller, Richard, F..
"Health for Life: Reversing the Single Most Important Health Risk Factor of Your Life".
New York:
A Dutton Book,
1995.
Buku Text.