Cita APA (7th ed.)

George, H. (1967). 101 substitution tables for students of english: Teachers' and advanced students' guide. At the University Pr.

Cita Chicago (17th ed.)

George, H.V. 101 Substitution Tables for Students of English: Teachers' and Advanced Students' Guide. Cambridge: At the University Pr, 1967.

Cita MLA (9th ed.)

George, H.V. 101 Substitution Tables for Students of English: Teachers' and Advanced Students' Guide. At the University Pr, 1967.