Gaya APA

Themes For Proficiency. (1981). : .

Gaya Chicago

Themes For Proficiency. Ed. I Cet Ke-2. : , 1981. Text.

Gaya MLA

Themes For Proficiency. Ed. I Cet Ke-2. : , 1981. Text.

Gaya Turabian

Themes For Proficiency. : , 1981. Print.