APA
Arcella F., I. Billones P. S., II. Castro H. R. M. & III. Bayle M. T. C. (2015). Everyday English that really works: a grammar skills 7. Quezon City, Philippines: [name of publisher not identified].
Chicago
Arcella Francisco, I. Billones Patricia S, II. Castro Horina Rowena M and III. Bayle Maria Teresa C. 2015. Everyday English that really works: a grammar skills 7. Quezon City, Philippines: [name of publisher not identified].
Harvard
Arcella F., I. Billones P. S., II. Castro H. R. M. and III. Bayle M. T. C. (2015). Everyday English that really works: a grammar skills 7. Quezon City, Philippines: [name of publisher not identified].
MLA
Arcella Francisco, I. Billones Patricia S, II. Castro Horina Rowena M and III. Bayle Maria Teresa C. Everyday English that really works: a grammar skills 7. Quezon City, Philippines: [name of publisher not identified]. 2015.