APA

Colbourn S., Willy B., . (1992). The Briefcase. [London]: Macmillan Heinemann.

Chicago

Colbourn Stephen, Willy Bee, . 1992. The Briefcase. [London]: Macmillan Heinemann.

Harvard

Colbourn S., Willy B., . (1992). The Briefcase. [London]: Macmillan Heinemann.

MLA

Colbourn Stephen, Willy Bee, . The Briefcase. [London]: Macmillan Heinemann. 1992.