Cita APA

Fragiadakis, H. K., & Rosenfield, E. (2004). Grammar step by step: Teacher's manual 1. Nueva York, N.Y.: McGraw-Hill.

Citación estilo Chicago

Fragiadakis, Helen Kalkstein, y Ellen Rosenfield. Grammar Step By Step: Teacher's Manual 1. Nueva York, N.Y.: McGraw-Hill, 2004.

Cita MLA

Fragiadakis, Helen Kalkstein, y Ellen Rosenfield. Grammar Step By Step: Teacher's Manual 1. Nueva York, N.Y.: McGraw-Hill, 2004.