Gaya APA
Longman, . (2004).
Longman business english dictionary : over 2000 words and phrase (Sastra Inggris).
Serang, Jawa Barat:
.
Gaya MLA
Longman, .
"Longman business english dictionary : over 2000 words and phrase".
Sastra Inggris
Serang, Jawa Barat:
,
2004.
.