APA Citation

Ketchum, R. M. Panduan penelitian survei. E.P Dutton.

Chicago Style Citation

Ketchum, Richard M. Panduan Penelitian Survei. E.P Dutton.

MLA Citation

Ketchum, Richard M. Panduan Penelitian Survei. E.P Dutton.

Warning: These citations may not always be 100% accurate.