Cita APA (7th ed.)

MURPHY , S. (1997). ACHIEVEMENT ZONE. BERKLEY BOOK.

Cita Chicago (17th ed.)

MURPHY , SHANE. ACHIEVEMENT ZONE. NEW YORK: BERKLEY BOOK, 1997.

Cita MLA (9th ed.)

MURPHY , SHANE. ACHIEVEMENT ZONE. BERKLEY BOOK, 1997.