Gaya APA

Blanchard, Karen, Root, Christine. (2000). For Your Information 4 . New York: LONGMAN.

Gaya Chicago

Blanchard, Karen, Root, Christine. For Your Information 4. New York: LONGMAN, 2000. .

Gaya MLA

Blanchard, Karen, Root, Christine. For Your Information 4. New York: LONGMAN, 2000. .

Gaya Turabian

Blanchard, Karen, Root, Christine. For Your Information 4. New York: LONGMAN, 2000. .