Gaya APA
Cypert, S, A., Hadisubrata, M. (1995).
17 prinsip keberhasilan ( Believe and achieve : W.clement Stone's 17 principle of success ) .
Jakarta:
Mitra Utama.
Gaya MLA
Cypert, Samuel, A.., Hadisubrata, M.S..
"17 prinsip keberhasilan ( Believe and achieve : W.clement Stone's 17 principle of success )".
Jakarta:
Mitra Utama,
1995.
Text.