Field Enterprises, inc, & Patterson, H. L. Patterson's American educational directory. v. [1]- 1904-. Field Enterprises [etc.].
Chicago-viite (17. p.)Field Enterprises, inc, ja Homer L. Patterson. Patterson's American Educational Directory. V. [1]- 1904-. Chicago: Field Enterprises [etc.].
MLA-viite (9. p.)Field Enterprises, inc, ja Homer L. Patterson. Patterson's American Educational Directory. V. [1]- 1904-. Field Enterprises [etc.].
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.