APA

Ticktion Sidney G Ed, . (1970). To improve learning : An evaluation of instructional technology Vols. 2. New York, USA: R R Bowker Company.

Chicago

Ticktion Sidney G Ed, . 1970. To improve learning : An evaluation of instructional technology Vols. 2. New York, USA: R R Bowker Company.

Harvard

Ticktion Sidney G Ed, . (1970). To improve learning : An evaluation of instructional technology Vols. 2. New York, USA: R R Bowker Company.

MLA

Ticktion Sidney G Ed, . To improve learning : An evaluation of instructional technology Vols. 2. New York, USA: R R Bowker Company. 1970.