APA Style
Yus, W, S., Salioso, H.
(2003).
Comparative Advantage Kota Dumai
(
Cet.1)
.
Pekanbaru:
UNRI Press.
MLA Style
Yus, Wan, Syamsir., Salioso, Herdi.
"Comparative Advantage Kota Dumai".
Cet.1
Pekanbaru:
UNRI Press,
2003.
Text.