Gaya APA

Cohesion in english. (1976). London: Longman.

Gaya Chicago

Cohesion in english. . London: Longman, 1976. Buku.

Gaya MLA

Cohesion in english. . London: Longman, 1976. Buku.

Gaya Turabian

Cohesion in english. London: Longman, 1976. Buku.