Cita APA (7th ed.)

Freeman, D. E., & Freeman, Y. S. (2014). Essential linguistics what teachers need to know to teach: ESL, spelling, phonics, and grammar (Second edition.). Heinemann.

Cita Chicago (17th ed.)

Freeman, David E., i Yvonne S. Freeman. Essential Linguistics What Teachers Need to Know to Teach: ESL, Spelling, Phonics, and Grammar. Second edition. Portsmouth, New Hampshire, USA: Heinemann, 2014.

Cita MLA (9th ed.)

Freeman, David E., i Yvonne S. Freeman. Essential Linguistics What Teachers Need to Know to Teach: ESL, Spelling, Phonics, and Grammar. Second edition. Heinemann, 2014.