APA Style

Guffey, Mary Ellen. (1997). Business Communication (2nd ed). Ohio: SOUTH-WESKIN COLLEGE.

Chicago Style

Guffey, Mary Ellen. Business Communication. 2nd ed Ohio: SOUTH-WESKIN COLLEGE, 1997. .

MLA Style

Guffey, Mary Ellen. Business Communication. 2nd ed Ohio: SOUTH-WESKIN COLLEGE, 1997. .

Turabian Style

Guffey, Mary Ellen. Business Communication. 2nd ed Ohio: SOUTH-WESKIN COLLEGE, 1997. .