APA Style

ed.Ardley, Neil {et.al}. (). The world book encyclopedia S . : Field Enterprises education.

Chicago Style

ed.Ardley, Neil {et.al}. The world book encyclopedia S. : Field Enterprises education, . Referensi.

MLA Style

ed.Ardley, Neil {et.al}. The world book encyclopedia S. : Field Enterprises education, . Referensi.

Turabian Style

ed.Ardley, Neil {et.al}. The world book encyclopedia S. : Field Enterprises education, . Referensi.