Cita APA (7th ed.)

Hennessy, B. (1997). Writing an essay: How to improve your performance for coursework and examinations (4a. ed.). How to Books.

Cita Chicago (17th ed.)

Hennessy, Brendan. Writing an Essay: How to Improve Your Performance for Coursework and Examinations. 4a. ed. Oxford: How to Books, 1997.

Cita MLA (9th ed.)

Hennessy, Brendan. Writing an Essay: How to Improve Your Performance for Coursework and Examinations. 4a. ed. How to Books, 1997.