Cofnodi Dyfyniadau

Dyfyniad APA

Summerfield, T. (2007). Tư duy tích cực =: Positive thinking. Thành phố Hồ Chí Minh: Văn hóa Sài Gòn.

Dyfyniad Arddull Chicago

Summerfield, Trish. Tư Duy Tích Cực =: Positive Thinking. Thành phố Hồ Chí Minh: Văn hóa Sài Gòn, 2007.

Dyfyniad MLA

Summerfield, Trish. Tư Duy Tích Cực =: Positive Thinking. Thành phố Hồ Chí Minh: Văn hóa Sài Gòn, 2007.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.