Cita APA (7a ed.)

Nicoll, W. G. (1994). Developing effectice classroom guidance programs: An integrative framework. [s.n.].

Cita Chicago Style (17a ed.)

Nicoll, William G. Developing Effectice Classroom Guidance Programs: An Integrative Framework. [S.l.]: [s.n.], 1994.

Cita MLA (9a ed.)

Nicoll, William G. Developing Effectice Classroom Guidance Programs: An Integrative Framework. [s.n.], 1994.