Gaya APA
Handoko, Hendroyono. (2014).
DO: Problem Solver .
Jakarta:
Kepustakaan Populer Gramedia.
Gaya Chicago
Handoko, Hendroyono.
DO: Problem Solver.
Jakarta:
Kepustakaan Populer Gramedia,
2014.
Text.
Gaya MLA
Handoko, Hendroyono.
DO: Problem Solver.
Jakarta:
Kepustakaan Populer Gramedia,
2014.
Text.
Gaya Turabian
Handoko, Hendroyono.
DO: Problem Solver.
Jakarta:
Kepustakaan Populer Gramedia,
2014.
Print.