Gaya APA

Salant,Priscilla, ., A., D. (1994). How To Conduct Your Own Survey Leading Professionals Give You Proven Techniques Foe Getting Reliable Results . USA: John WileyandSons, Inc.

Gaya MLA

Salant,Priscilla, ., A., Dillman,Don. "How To Conduct Your Own Survey Leading Professionals Give You Proven Techniques Foe Getting Reliable Results". USA: John WileyandSons, Inc, 1994. Text.