Gaya APA
Kusmana, ., Sofijandi, . (2011).
Fun Learning English 6 for Elemntary School : Student's Book (1).
Bandung:
Grafindo.
Gaya MLA
Kusmana, ., Sofijandi, .
"Fun Learning English 6 for Elemntary School : Student's Book".
1
Bandung:
Grafindo,
2011.
Text.