Gaya APA
Putri, A, G. (2003).
Business plan at Pt.Agip Lubrindo Pratama improve Indonesia economic .
Malang, Jatim:
UNMER.
Gaya MLA
Putri, Andhika, Gayatri.
"Business plan at Pt.Agip Lubrindo Pratama improve Indonesia economic".
Malang, Jatim:
UNMER,
2003.
Text.