Gaya APA
MORTON, Richard F.. (1990).
A study guide to epidemiology and biostatistics (3).
Maryland:
An Aspen Publication.
Gaya Chicago
MORTON, Richard F..
A study guide to epidemiology and biostatistics.
3
Maryland:
An Aspen Publication,
1990.
Text.
Gaya MLA
MORTON, Richard F..
A study guide to epidemiology and biostatistics.
3
Maryland:
An Aspen Publication,
1990.
Text.
Gaya Turabian
MORTON, Richard F..
A study guide to epidemiology and biostatistics.
3
Maryland:
An Aspen Publication,
1990.
Print.