APA (7e ed.) Bronvermelding

Stacy, R. A., & Shear, D. (1975). [Letter to David Shear]. Organisation for Economic Co-operation and Development.

Chicago (17e ed.) Bronvermelding

Stacy, Roy A., en David Shear. [Letter to David Shear]. Paris: Organisation for Economic Co-operation and Development, 1975.

MLA (8e ed.) Bronvermelding

Stacy, Roy A., en David Shear. [Letter to David Shear]. Organisation for Economic Co-operation and Development, 1975.