Abbs B. Brian & Freebairn I. Ingrid. (1997). Family Affair: Study Guide. Harlow, Longman, 1997.
Cita Chicago (17th ed.)Abbs B. Brian i Freebairn I. Ingrid. Family Affair: Study Guide. Harlow, Longman, 1997, 1997.
Cita MLA (9th ed.)Abbs B. Brian i Freebairn I. Ingrid. Family Affair: Study Guide. Harlow, Longman, 1997, 1997.
Atenció: Aquestes cites poden no estar 100% correctes.