Gaya APA
Viscott, D., Inkiriwang, H.
(1981).
Risiko { Risking }
(
Cet.1)
.
Jakarta:
Yayasan Dharma Wiraswasta.
Gaya MLA
Viscott, David., Inkiriwang, Henny.
"Risiko { Risking }".
Cet.1
Jakarta:
Yayasan Dharma Wiraswasta,
1981.
Text.