Brookes, H. F., & Ross, H. English as a foreign language: For science students.
Cita Chicago (17th ed.)Brookes, H. F., i H. Ross. English as a Foreign Language: For Science Students.
Cita MLA (8th ed.)Brookes, H. F., i H. Ross. English as a Foreign Language: For Science Students.
Atenció: Aquestes cites poden no estar 100% correctes.