White, R. y. W. (1990). Take One: Student`s Book. Macmillan Publishers.
Cita Chicago (17th ed.)White, Ron y Williams. Take One: Student`s Book. Hong Kong, China: Macmillan Publishers, 1990.
Cita MLA (9th ed.)White, Ron y Williams. Take One: Student`s Book. Macmillan Publishers, 1990.
Atenció: Aquestes cites poden no estar 100% correctes.
