Adler, E. S. (1999). How it's done: An invitation to social research. Wadsworth Pub.
Chicago-viite (17. p.)Adler, Emily Stier. How It's Done: An Invitation to Social Research. Belmont, Calif: Wadsworth Pub, 1999.
MLA-viite (9. p.)Adler, Emily Stier. How It's Done: An Invitation to Social Research. Wadsworth Pub, 1999.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.