Gaya APA
Lee, R. (1990).
Have a nice trip = semoga perjalanan anda menyenangkan : English and Indonesian for travel .
Bandung:
Lee's English Centre.
Gaya MLA
Lee, Rudi.
"Have a nice trip = semoga perjalanan anda menyenangkan : English and Indonesian for travel".
Bandung:
Lee's English Centre,
1990.
BUKU.