APA

Salant P., Dillman D. A., . (1994). How to conduct your own survey. New York: John Wiley & Sons.

Chicago

Salant Priscilla, Dillman Don A, . 1994. How to conduct your own survey. New York: John Wiley & Sons.

Harvard

Salant P., Dillman D. A., . (1994). How to conduct your own survey. New York: John Wiley & Sons.

MLA

Salant Priscilla, Dillman Don A, . How to conduct your own survey. New York: John Wiley & Sons. 1994.