APA

Lehr J. B., Harris H. W., . (1988). At-risk, low-achieving students in the classroom. Washington, D.C: National Education Association.

Chicago

Lehr Judy Brown, Harris Hazel Wiggins, . 1988. At-risk, low-achieving students in the classroom. Washington, D.C: National Education Association.

Harvard

Lehr J. B., Harris H. W., . (1988). At-risk, low-achieving students in the classroom. Washington, D.C: National Education Association.

MLA

Lehr Judy Brown, Harris Hazel Wiggins, . At-risk, low-achieving students in the classroom. Washington, D.C: National Education Association. 1988.