APA (7th ed.) Citation

Riduwan. (2013). Skala Pengukuran Variabel-Variabel penelitian. Gramedia.

Chicago Style (17th ed.) Citation

Riduwan. Skala Pengukuran Variabel-Variabel Penelitian. Gramedia, 2013.

MLA (8th ed.) Citation

Riduwan. Skala Pengukuran Variabel-Variabel Penelitian. Gramedia, 2013.

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