Gaya APA

Lubis, I., Juliarti, . (2002). Meminimalkan kesalahan gramatika di kelas writing melalui structure based writing assignments (Vol. 09, No. 02, Tahun). : PASPI.

Gaya MLA

Lubis, Izwar., Juliarti, . "Meminimalkan kesalahan gramatika di kelas writing melalui structure based writing assignments". Vol. 09, No. 02, Tahun : PASPI, 2002. Text.