Gaya APA
Graham, W. (1993).
Problem Sholving and Decision Making : Inovasi, Kerja Tim, Teknik, Teknik Efektif .
Jakarta:
PT. Elex Media Komputindo.
Gaya MLA
Graham, Wilson.
"Problem Sholving and Decision Making : Inovasi, Kerja Tim, Teknik, Teknik Efektif".
Jakarta:
PT. Elex Media Komputindo,
1993.
Text.