APA استشهاد

Avery,Gayle C, & Harald Bergsteiner. (2011). Sustainable Leadership: Honeybee and Locust Approaches. routledge.

استشهاد بنمط شيكاغو

Avery,Gayle C, و Harald Bergsteiner. Sustainable Leadership: Honeybee and Locust Approaches. new york: routledge, 2011.

MLA استشهاد

Avery,Gayle C, و Harald Bergsteiner. Sustainable Leadership: Honeybee and Locust Approaches. routledge, 2011.