Gaya APA

Griffey, H. (2017). I Want to Be Confident: Living, Working and Communicating With Confidence (Cetakan Pertama). : Hardie Grant Books.

Gaya MLA

Griffey, Harriet. "I Want to Be Confident: Living, Working and Communicating With Confidence". Cetakan Pertama : Hardie Grant Books, 2017. Text.