Gaya APA

Sampling techniques Edisi 3. (1977). : .

Gaya Chicago

Sampling techniques Edisi 3. Ed. 3. : , 1977. .

Gaya MLA

Sampling techniques Edisi 3. Ed. 3. : , 1977. .

Gaya Turabian

Sampling techniques Edisi 3. : , 1977. .