Gaya APA
Berry, B, J, L. et al (1993).
The Global economy : resource use, locational choice, and international trade .
Englewood Cliffs:
Prentice Hall.
Gaya MLA
Berry, Brian, J., L.. et al.
"The Global economy : resource use, locational choice, and international trade".
Englewood Cliffs:
Prentice Hall,
1993.
Buku/Printed Material.