Cita APA (7th ed.)
Campbell, D. W., & Campbell, D. W. (1980). Bilingual program, policy, and assessment issues.
Cita Chicago (17th ed.)
Campbell, Davis W., i Davis W. Campbell. Bilingual Program, Policy, and Assessment Issues. 1980.
Cita MLA (9th ed.)
Campbell, Davis W., i Davis W. Campbell. Bilingual Program, Policy, and Assessment Issues. 1980.
Atenció: Aquestes cites poden no estar 100% correctes.