APA (7e ed.) Bronvermelding

Shane, H. G., Keener, E. E., & Ferris, F. Easy steps to good english.

Chicago (17e ed.) Bronvermelding

Shane, Harold G., Edward E. Keener, en Florence Ferris. Easy Steps to Good English.

MLA (8e ed.) Bronvermelding

Shane, Harold G., et al. Easy Steps to Good English.