APA (7e ed.) Bronvermelding

WORLD BOOK, I. (1986). GRAMMER AND USAGE GUIDE. W B C - SCOTT FETZER CO.

Chicago (17e ed.) Bronvermelding

WORLD BOOK, INC. GRAMMER AND USAGE GUIDE. CHICAGO: W B C - SCOTT FETZER CO, 1986.

MLA (9e ed.) Bronvermelding

WORLD BOOK, INC. GRAMMER AND USAGE GUIDE. W B C - SCOTT FETZER CO, 1986.