Styl cytowania APA

Gilbert Chris & Williams Laurie. (1985). The A B C's of 1 2 3. B.P.B.

Styl cytowania Chicago

Gilbert Chris i Williams Laurie. The A B C's of 1 2 3. Delhi: B.P.B, 1985.

Styl cytowania MLA

Gilbert Chris i Williams Laurie. The A B C's of 1 2 3. B.P.B, 1985.