Gaya APA

Catton, David, Falvey, David. (2001). Market leader upper intermediate business English : course book . Inggris: Longman.

Gaya Chicago

Catton, David, Falvey, David. Market leader upper intermediate business English : course book. Inggris: Longman, 2001. Buku.

Gaya MLA

Catton, David, Falvey, David. Market leader upper intermediate business English : course book. Inggris: Longman, 2001. Buku.

Gaya Turabian

Catton, David, Falvey, David. Market leader upper intermediate business English : course book. Inggris: Longman, 2001. Buku.