APA (7e ed.) Bronvermelding

(1969). Current research on instruction. Prentice-Hall.

Chicago (17e ed.) Bronvermelding

Current Research on Instruction. Englewood Cliffs, N. J: Prentice-Hall, 1969.

MLA (9e ed.) Bronvermelding

Current Research on Instruction. Prentice-Hall, 1969.