Cita APA (7th ed.)
Mullis, I., & Mullis, I. Chapter 6. teachers and instruction.
Cita Chicago (17th ed.)
Mullis, Ina, i Ina Mullis. Chapter 6. Teachers and Instruction.
Cita MLA (9th ed.)
Mullis, Ina, i Ina Mullis. Chapter 6. Teachers and Instruction.
Atenció: Aquestes cites poden no estar 100% correctes.