APA

Nie Norman H, . (1980). SCSS. A User's Quide to the SCSS Conversational System. New York: McGraw-Hill.

Chicago

Nie Norman H, . 1980. SCSS. A User's Quide to the SCSS Conversational System. New York: McGraw-Hill.

Harvard

Nie Norman H, . (1980). SCSS. A User's Quide to the SCSS Conversational System. New York: McGraw-Hill.

MLA

Nie Norman H, . SCSS. A User's Quide to the SCSS Conversational System. New York: McGraw-Hill. 1980.