Cita APA (7th ed.)
BARNETT, D., & ET AL. (1997). ECOLOGICAL FOUNDATIONS OF EARLY INTERVENTION: PLANNED ACTIVITIES AND STRATEGIC SAMPLING.
Cita Chicago (17th ed.)
BARNETT, D.W, i ET AL. ECOLOGICAL FOUNDATIONS OF EARLY INTERVENTION: PLANNED ACTIVITIES AND STRATEGIC SAMPLING. 1997.
Cita MLA (9th ed.)
BARNETT, D.W, i ET AL. ECOLOGICAL FOUNDATIONS OF EARLY INTERVENTION: PLANNED ACTIVITIES AND STRATEGIC SAMPLING. 1997.
Atenció: Aquestes cites poden no estar 100% correctes.