Gaya APA

Word Book. (1994; 1992; 1991). : .

Gaya Chicago

Word Book. . : , 1994; 1992; 1991. Text.

Gaya MLA

Word Book. . : , 1994; 1992; 1991. Text.

Gaya Turabian

Word Book. : , 1994; 1992; 1991. Print.