Day, S., & Gant, M. (1996). The burlington course for 3° E.S.O: Teacher's manual = El curso burlington para 3° ESO : manual del profesor. Burlington books.
Chicago Style (17th ed.) CitationDay, Sheila, and Marcelle Gant. The Burlington Course for 3° E.S.O: Teacher's Manual = El Curso Burlington Para 3° ESO : Manual Del Profesor. s.l.: Burlington books, 1996.
MLA (9th ed.) CitationDay, Sheila, and Marcelle Gant. The Burlington Course for 3° E.S.O: Teacher's Manual = El Curso Burlington Para 3° ESO : Manual Del Profesor. Burlington books, 1996.
Warning: These citations may not always be 100% accurate.