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.