Gaya APA
Brown, H. (2015).
Teaching by principles: An active approach to language Pedagogy (Edisi ke-4).
Newyork:
Distributor/Addison Wesley Longman, Inc..
Gaya MLA
Brown, H.D.
"Teaching by principles: An active approach to language Pedagogy".
Edisi ke-4
Newyork:
Distributor/Addison Wesley Longman, Inc.,
2015.
Prodi TBI.