Beare, N., Greenwell, J., & Phillips, T. Profiles: Students book 1.
Cita Chicago (17th ed.)Beare, Nick, Jeanette Greenwell, i Terry Phillips. Profiles: Students Book 1.
Cita MLA (8th ed.)Beare, Nick, et al. Profiles: Students Book 1.
Atenció: Aquestes cites poden no estar 100% correctes.