Gaya APA
ERWIN, PAUL C., BROWNSON, ROSS C.. (2017).
SCUTCHFIELD AND KECK'S PRINCIPLES OF PUBLIC HEALTH PRACTICE (4).
BOSTON:
CENGAGE LEARNING.
Gaya Chicago
ERWIN, PAUL C., BROWNSON, ROSS C..
SCUTCHFIELD AND KECK'S PRINCIPLES OF PUBLIC HEALTH PRACTICE.
4
BOSTON:
CENGAGE LEARNING,
2017.
Text.
Gaya MLA
ERWIN, PAUL C., BROWNSON, ROSS C..
SCUTCHFIELD AND KECK'S PRINCIPLES OF PUBLIC HEALTH PRACTICE.
4
BOSTON:
CENGAGE LEARNING,
2017.
Text.
Gaya Turabian
ERWIN, PAUL C., BROWNSON, ROSS C..
SCUTCHFIELD AND KECK'S PRINCIPLES OF PUBLIC HEALTH PRACTICE.
4
BOSTON:
CENGAGE LEARNING,
2017.
Print.