MATTHEWS, A. Being Happy (Kiat Hidup Tenteram dan Bahagia). Gramedia Pustak.
Chicago Style (17th ed.) CitationMATTHEWS, Andre. Being Happy (Kiat Hidup Tenteram Dan Bahagia). Gramedia Pustak.
MLA (8th ed.) CitationMATTHEWS, Andre. Being Happy (Kiat Hidup Tenteram Dan Bahagia). Gramedia Pustak.
Warning: These citations may not always be 100% accurate.