Cita APA (7a ed.)

Butt, D., Fahey, R., Feez, S., Spinks, S., & Yallop, C. (2006). Using functional grammar: An explorer's guide (Second edition Reprinted, 2006.). National Centre for English Language Teaching and Research, Macqarie University.

Cita Chicago Style (17a ed.)

Butt, David, Rhondda Fahey, Susan Feez, Sue Spinks, y C. Yallop. Using Functional Grammar: An Explorer's Guide. Second edition Reprinted, 2006. Sydney: National Centre for English Language Teaching and Research, Macqarie University, 2006.

Cita MLA (9a ed.)

Butt, David, et al. Using Functional Grammar: An Explorer's Guide. Second edition Reprinted, 2006. National Centre for English Language Teaching and Research, Macqarie University, 2006.