Cita APA (7th ed.)

Collette, A. T., & Chiappetta, E. L. (1994). Science instruction in the middle and secondary schools (3rd ed.). Merrill.

Cita Chicago (17th ed.)

Collette, Alfred T., i Eugene L. Chiappetta. Science Instruction in the Middle and Secondary Schools. 3rd ed. New York: Merrill, 1994.

Cita MLA (9th ed.)

Collette, Alfred T., i Eugene L. Chiappetta. Science Instruction in the Middle and Secondary Schools. 3rd ed. Merrill, 1994.