Cita APA (7th ed.)

Ackerlind, S. R., & Jones-Kellogg, R. (2011). Portuguese: A reference manual. University of Texas Press.

Cita Chicago (17th ed.)

Ackerlind, Sheila R., i Rebecca Jones-Kellogg. Portuguese: A Reference Manual. Austin: University of Texas Press, 2011.

Cita MLA (9th ed.)

Ackerlind, Sheila R., i Rebecca Jones-Kellogg. Portuguese: A Reference Manual. University of Texas Press, 2011.