Gaya APA
Wahyudi, R, K.
(2006).
Practical Ways To Write Letters For Personal Needs
(
Edisi I)
.
Yogyakarta:
Camar.
Gaya MLA
Wahyudi, Russel, K..
"Practical Ways To Write Letters For Personal Needs".
Edisi I
Yogyakarta:
Camar,
2006.
Text.