NILSON, A. (2001). SPELLING: HOW TO BE TOP SERIES.
Cita Chicago (17th ed.)NILSON, ANNA. SPELLING: HOW TO BE TOP SERIES. 2001.
Cita MLA (9th ed.)NILSON, ANNA. SPELLING: HOW TO BE TOP SERIES. 2001.
Atenció: Aquestes cites poden no estar 100% correctes.