CLEMENTS, P. Bersikap positif: Panduan bagi para Manajer. Gramedia Puatak.
Chicago Style (17th ed.) CitationCLEMENTS, Phil. Bersikap Positif: Panduan Bagi Para Manajer. Gramedia Puatak.
MLA (8th ed.) CitationCLEMENTS, Phil. Bersikap Positif: Panduan Bagi Para Manajer. Gramedia Puatak.
Warning: These citations may not always be 100% accurate.