Cita APA (7th ed.)

Hulley, J. (1991). Self-access spelling: An approach to structured spelling. National Extension College.

Cita Chicago (17th ed.)

Hulley, Jan. Self-access Spelling: An Approach to Structured Spelling. Cambridge, [Eng.]: National Extension College, 1991.

Cita MLA (9th ed.)

Hulley, Jan. Self-access Spelling: An Approach to Structured Spelling. National Extension College, 1991.