APA

Singleton j., . (2012). Writes at work the paragraph. : Cambridge University press.

Chicago

Singleton jill, . 2012. Writes at work the paragraph. : Cambridge University press.

Harvard

Singleton j., . (2012). Writes at work the paragraph. : Cambridge University press.

MLA

Singleton jill, . Writes at work the paragraph. : Cambridge University press. 2012.