Kolm de Irish, J. (1977). Writing research papers. Process and practice. Universidad de Costa Rica.
Citazione stile Chigago Style (17a edizione)Kolm de Irish, Joan. Writing Research Papers. Process and Practice. San José, Costa Rica: Universidad de Costa Rica, 1977.
Citatione MLA (9a ed.)Kolm de Irish, Joan. Writing Research Papers. Process and Practice. Universidad de Costa Rica, 1977.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.