APA
Grilbbs, Popham, . (1976). Gregg shorthand for colleges. New York: Tata MacGraw-Hill.
Chicago
Grilbbs, Popham, . 1976. Gregg shorthand for colleges. New York: Tata MacGraw-Hill.
Harvard
Grilbbs, Popham, . (1976). Gregg shorthand for colleges. New York: Tata MacGraw-Hill.
MLA
Grilbbs, Popham, . Gregg shorthand for colleges. New York: Tata MacGraw-Hill. 1976.
