Gaya APA
Ishak, D. et al (2000).
Communicative English For SMK 3 Edisi kedua Business and management .
Jakarta:
Yudhistira.
Gaya MLA
Ishak, Darwis. et al.
"Communicative English For SMK 3 Edisi kedua Business and management".
Jakarta:
Yudhistira,
2000.
Text.