Gaya APA
Ball, Donald A, McMulloh, Wendel. (1988).
International business : introduction and essentials (3e).
Homewood:
Irwin.
Gaya Chicago
Ball, Donald A, McMulloh, Wendel.
International business : introduction and essentials.
3e
Homewood:
Irwin,
1988.
Buku.
Gaya MLA
Ball, Donald A, McMulloh, Wendel.
International business : introduction and essentials.
3e
Homewood:
Irwin,
1988.
Buku.
Gaya Turabian
Ball, Donald A, McMulloh, Wendel.
International business : introduction and essentials.
3e
Homewood:
Irwin,
1988.
Buku.