Cita APA (7th ed.)
Monterrubio, M. (1998). First steps: Teacher's book levels 1 and 2 (3a. ed.). Macmillan.
Cita Chicago (17th ed.)
Monterrubio, Myriam. First Steps: Teacher's Book Levels 1 and 2. 3a. ed. Oxford: Macmillan, 1998.
Cita MLA (9th ed.)
Monterrubio, Myriam. First Steps: Teacher's Book Levels 1 and 2. 3a. ed. Macmillan, 1998.
Atenció: Aquestes cites poden no estar 100% correctes.