Cita APA (7th ed.)

HARRISON. E. R. (2014). FRANK MODERN CERTIFICATE BIOLOGY FOR MIDDLE SCHOOL CLASS- VIII ( TEACHER'S MANUAL ). FRANK BROS & CO.

Cita Chicago (17th ed.)

HARRISON. E. R. FRANK MODERN CERTIFICATE BIOLOGY FOR MIDDLE SCHOOL CLASS- VIII ( TEACHER'S MANUAL ). FRANK BROS & CO, 2014.

Cita MLA (9th ed.)

HARRISON. E. R. FRANK MODERN CERTIFICATE BIOLOGY FOR MIDDLE SCHOOL CLASS- VIII ( TEACHER'S MANUAL ). FRANK BROS & CO, 2014.

Atenció: Aquestes cites poden no estar 100% correctes.