Bates M. Martin & Dudley-Evans T. Tony. (1998). Nucleus. English for Science and Technology General Science: New Edition with Reading Texts. Harlow, Longman, 1998.
Cita Chicago (17th ed.)Bates M. Martin i Dudley-Evans T. Tony. Nucleus. English for Science and Technology General Science: New Edition with Reading Texts. Harlow, Longman, 1998, 1998.
Cita MLA (9th ed.)Bates M. Martin i Dudley-Evans T. Tony. Nucleus. English for Science and Technology General Science: New Edition with Reading Texts. Harlow, Longman, 1998, 1998.
Atenció: Aquestes cites poden no estar 100% correctes.