Cita APA (7th ed.)

(1987). Keeping students in school: A guide to effective dropout prevention programs and services / Margaret Terry Orr ; foreword by Harold Howe II.

Cita Chicago (17th ed.)

Keeping Students in School: A Guide to Effective Dropout Prevention Programs and Services / Margaret Terry Orr ; Foreword by Harold Howe II. 1987.

Cita MLA (9th ed.)

Keeping Students in School: A Guide to Effective Dropout Prevention Programs and Services / Margaret Terry Orr ; Foreword by Harold Howe II. 1987.

Atenció: Aquestes cites poden no estar 100% correctes.