Cita APA (7th ed.)

KNIGHT. M. J. (2011). WHY SHOULD I: SWITCH OFF THE LIGHT ? EURO BOOK.

Cita Chicago (17th ed.)

KNIGHT. M. J. WHY SHOULD I: SWITCH OFF THE LIGHT ? EURO BOOK, 2011.

Cita MLA (9th ed.)

KNIGHT. M. J. WHY SHOULD I: SWITCH OFF THE LIGHT ? EURO BOOK, 2011.

Atenció: Aquestes cites poden no estar 100% correctes.