Planets and people. [F.E. Ormsby].
Chicago Style (17. basım) AtıfPlanets and People. Chicago: [F.E. Ormsby].
MLA (8th ed.) AtıfPlanets and People. [F.E. Ormsby].
Uyarı: Bu alıntı herzaman %100 doğru olmayabilir..
Planets and people. [F.E. Ormsby].
Chicago Style (17. basım) AtıfPlanets and People. Chicago: [F.E. Ormsby].
MLA (8th ed.) AtıfPlanets and People. [F.E. Ormsby].