APA (7th ed.) Citation

Riduwan. (2007). Skala pengukuran variabel-variabel penelitian. Alfabeta.

Chicago Style (17th ed.) Citation

Riduwan. Skala Pengukuran Variabel-variabel Penelitian. Alfabeta, 2007.

MLA (8th ed.) Citation

Riduwan. Skala Pengukuran Variabel-variabel Penelitian. Alfabeta, 2007.

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