Gaya APA
Ball, D, A. et al (2014).
Bisnis Internasional = International business, buku : 1 (12).
Jakarta:
Salemba Empat.
Gaya MLA
Ball, Donald, A.. et al.
"Bisnis Internasional = International business, buku : 1".
12
Jakarta:
Salemba Empat,
2014.
Text.