Gaya APA
Schwartz, Arthur N. (2000).
Introduction to gerontology .
New York:
Holt, Rinehart.
Gaya Chicago
Schwartz, Arthur N.
Introduction to gerontology.
New York:
Holt, Rinehart,
2000.
Text.
Gaya MLA
Schwartz, Arthur N.
Introduction to gerontology.
New York:
Holt, Rinehart,
2000.
Text.
Gaya Turabian
Schwartz, Arthur N.
Introduction to gerontology.
New York:
Holt, Rinehart,
2000.
Print.