Gaya APA

Wahyudi, R, K. (2006). Practical Ways To Write Letters For Personal Needs (Cet. 1). : 979-24-0513-5.

Gaya MLA

Wahyudi, Russel, K.. "Practical Ways To Write Letters For Personal Needs". Cet. 1 : 979-24-0513-5, 2006. Text.