Suyanto & SUSILO. (2014). Metodologi penelitian cross sectional. Boss Script.
Cita Chicago (17th ed.)Suyanto i SUSILO. Metodologi Penelitian Cross Sectional. Boss Script, 2014.
Cita MLA (9th ed.)Suyanto i SUSILO. Metodologi Penelitian Cross Sectional. Boss Script, 2014.
Atenció: Aquestes cites poden no estar 100% correctes.