Citazione Stile APA (7a Edizione)

Hanson, J. W., Ferns, G. W., & King, V. E. (1970). Secondary level teachers: Supply and demand in Sierra Leone. Institute for International Studies in Education, Michigan State University.

Citazione stile Chigago Style (17a edizione)

Hanson, John Wagner, George W. Ferns, e Victor E. King. Secondary Level Teachers: Supply and Demand in Sierra Leone. [East Lansing: Institute for International Studies in Education, Michigan State University, 1970.

Citatione MLA (8a ed.)

Hanson, John Wagner, et al. Secondary Level Teachers: Supply and Demand in Sierra Leone. Institute for International Studies in Education, Michigan State University, 1970.

Attenzione: Queste citazioni potrebbero non essere precise al 100%.