Gaya APA
Hong, G, S.
(2011).
Introduction to Businness 1
(
4)
.
Semarang:
PENERBIT CITRA.
Gaya MLA
Hong, Goei, Siauw.
"Introduction to Businness 1".
4
Semarang:
PENERBIT CITRA,
2011.
Text.