KNEELAND, S. Essentials: Solving Problems = Pemecahan Masalah. Elex Media Komputindo.
Chicago Style (17th ed.) CitationKNEELAND, Steve. Essentials: Solving Problems = Pemecahan Masalah. Elex Media Komputindo.
MLA (8th ed.) CitationKNEELAND, Steve. Essentials: Solving Problems = Pemecahan Masalah. Elex Media Komputindo.
Warning: These citations may not always be 100% accurate.