Peni R. Pramono, & Oktaviani HS. (2005). 30 menit essay writing, writing is easy. Yogyakarta: Andi offset.
Dyfyniad Arddull ChicagoPeni R. Pramono, and Oktaviani HS. 30 Menit Essay Writing, Writing Is Easy. Yogyakarta: Andi offset, 2005.
Dyfyniad MLAPeni R. Pramono, and Oktaviani HS. 30 Menit Essay Writing, Writing Is Easy. Yogyakarta: Andi offset, 2005.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.