APA
Polgar S., Thomas S. A. a., . (1991). Introduction to research in the health Sciences. Melbourne: Churchill Livingstone.
Chicago
Polgar Stephen, Thomas Shane A.jt author, . 1991. Introduction to research in the health Sciences. Melbourne: Churchill Livingstone.
Harvard
Polgar S., Thomas S. A. a., . (1991). Introduction to research in the health Sciences. Melbourne: Churchill Livingstone.
MLA
Polgar Stephen, Thomas Shane A.jt author, . Introduction to research in the health Sciences. Melbourne: Churchill Livingstone. 1991.