Cita APA (7th ed.)

Jardine, J., & Tresise, J. (1967). Physics is fun, books one and two: Teacher's guide. Heinmann Educational Books.

Cita Chicago (17th ed.)

Jardine, Jim, i Jenny Tresise. Physics Is Fun, Books One and Two: Teacher's Guide. London: Heinmann Educational Books, 1967.

Cita MLA (9th ed.)

Jardine, Jim, i Jenny Tresise. Physics Is Fun, Books One and Two: Teacher's Guide. Heinmann Educational Books, 1967.