Gaya APA

Crystal, David. (1992). Introducing linguistics (-). England: Penguin Book.

Gaya Chicago

Crystal, David. Introducing linguistics. - England: Penguin Book, 1992. Buku.

Gaya MLA

Crystal, David. Introducing linguistics. - England: Penguin Book, 1992. Buku.

Gaya Turabian

Crystal, David. Introducing linguistics. - England: Penguin Book, 1992. Buku.