APA引文

Fergus P Hughes. (1985). Human development across the life span. St. Paul, Minnesota: West Publishing Co.

Trích dẫn kiểu Chicago

Fergus P Hughes. Human Development Across the Life Span. St. Paul, Minnesota: West Publishing Co, 1985.

MLA引文

Fergus P Hughes. Human Development Across the Life Span. St. Paul, Minnesota: West Publishing Co, 1985.

警告:這些引文格式不一定是100%准確.