Widodo. (2017). Metodologi penelitian: Populer & praktis. Rajawali Pers.
Chicago Style (17th ed.) CitationWidodo. Metodologi Penelitian: Populer & Praktis. Rajawali Pers, 2017.
MLA (8th ed.) CitationWidodo. Metodologi Penelitian: Populer & Praktis. Rajawali Pers, 2017.
Warning: These citations may not always be 100% accurate.