Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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