APA

Zechmeister E., Shaughnessy J., . (1994). A practical introduction to research methods in psychology. Нью-Йорк: [s.n.].

Chicago

Zechmeister E.B, Shaughnessy J.J, . 1994. A practical introduction to research methods in psychology. Нью-Йорк: [s.n.].

Harvard

Zechmeister E., Shaughnessy J., . (1994). A practical introduction to research methods in psychology. Нью-Йорк: [s.n.].

MLA

Zechmeister E.B, Shaughnessy J.J, . A practical introduction to research methods in psychology. Нью-Йорк: [s.n.]. 1994.