APA (7th ed.) Zitazioa
Boice, R. (1996). Procrastination and blocking: A novel, practical approach. Praeger.
Chicago Style (17th ed.) Zitazioa
Boice, Robert. Procrastination and Blocking: A Novel, Practical Approach. Westport, Conn.: Praeger, 1996.
MLA (9th ed.) Zitazioa
Boice, Robert. Procrastination and Blocking: A Novel, Practical Approach. Praeger, 1996.
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