Cita APA (7a ed.)

Flagg, B. N. (1990). Formative evaluation for educational technologies. Lawrence Erlbaum Associates.

Cita Chicago Style (17a ed.)

Flagg, Barbara N. Formative Evaluation for Educational Technologies. Hillsdale (New Jersey) [etc.]: Lawrence Erlbaum Associates, 1990.

Cita MLA (9a ed.)

Flagg, Barbara N. Formative Evaluation for Educational Technologies. Lawrence Erlbaum Associates, 1990.