Cita APA (7th ed.)

SINGH & JAMES. (2011). PERFECT MATHEMATICS -2 ( TEACHER'S COPY ). EVERGREEN PUBLICATIONS.

Cita Chicago (17th ed.)

SINGH & JAMES. PERFECT MATHEMATICS -2 ( TEACHER'S COPY ). EVERGREEN PUBLICATIONS, 2011.

Cita MLA (9th ed.)

SINGH & JAMES. PERFECT MATHEMATICS -2 ( TEACHER'S COPY ). EVERGREEN PUBLICATIONS, 2011.

Atenció: Aquestes cites poden no estar 100% correctes.