Gaya APA
Caves, R, E. et al (1990).
World trade and payments : an intorduction ed. 5 (5).
Singapore: McGraw - Hill book :
Harper Collins.
Gaya MLA
Caves, Richard, E. et al.
"World trade and payments : an intorduction ed. 5".
5
Singapore: McGraw - Hill book :
Harper Collins,
1990.
Text.