Gaya APA

Fowler, F, J. (2013). Survey research methods: applied social research methods (book 1) 5th edition (5th edition). London: SAGE Publications, Inc.

Gaya MLA

Fowler, Floyd, J.. "Survey research methods: applied social research methods (book 1) 5th edition". 5th edition London: SAGE Publications, Inc, 2013. Text.