APA-ийн эшлэл(7 дахь хэвлэлт)

Sperry, L. (2004). Effective Leadership: Strategies for Maximizing Executive Productivity and Health. Brunner-Routledge.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

Sperry, Len. Effective Leadership: Strategies for Maximizing Executive Productivity and Health. New York: Brunner-Routledge, 2004.

MLA -ийн эшлэл (9 дэх хэвлэлт)

Sperry, Len. Effective Leadership: Strategies for Maximizing Executive Productivity and Health. Brunner-Routledge, 2004.