APA Style
Drollas, Leo P.. (1989).
Suspi Migas IX/1989 Advanced Management Seminar : The Oil Majors Strategic Planning with Special Reference to British Petroleum .
Surabaya:
PERTAMINA dan REDECON.
Chicago Style
Drollas, Leo P..
Suspi Migas IX/1989 Advanced Management Seminar : The Oil Majors Strategic Planning with Special Reference to British Petroleum.
Surabaya:
PERTAMINA dan REDECON,
1989.
Text.
MLA Style
Drollas, Leo P..
Suspi Migas IX/1989 Advanced Management Seminar : The Oil Majors Strategic Planning with Special Reference to British Petroleum.
Surabaya:
PERTAMINA dan REDECON,
1989.
Text.
Turabian Style
Drollas, Leo P..
Suspi Migas IX/1989 Advanced Management Seminar : The Oil Majors Strategic Planning with Special Reference to British Petroleum.
Surabaya:
PERTAMINA dan REDECON,
1989.
Print.