Cita APA (7th ed.)

Lumsden, R. (1993). Twenty-three steps to success and achievement. Indus.

Cita Chicago (17th ed.)

Lumsden, Robert. Twenty-three Steps to Success and Achievement. New delhi: Indus, 1993.

Cita MLA (9th ed.)

Lumsden, Robert. Twenty-three Steps to Success and Achievement. Indus, 1993.