Cotton, D. (2017). The Smart Solution Book. Elek Media Komputindo.
Chicago Style (17th ed.) CitationCotton, David. The Smart Solution Book. Elek Media Komputindo, 2017.
MLA (8th ed.) CitationCotton, David. The Smart Solution Book. Elek Media Komputindo, 2017.
Warning: These citations may not always be 100% accurate.