Farmer, J. E. (1980). A Practitioner's Guide to Student Retention: A College-Wide Responsibility.
Citazione stile Chigago Style (17a edizione)Farmer, John E. A Practitioner's Guide to Student Retention: A College-Wide Responsibility. 1980.
Citatione MLA (9a ed.)Farmer, John E. A Practitioner's Guide to Student Retention: A College-Wide Responsibility. 1980.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.