Dyfyniad APA

Russ. (2019). It's all in your head: Get out of your way (First edition.). Harper Design, an imprint of HarperCollins Publishers.

Dyfyniad Arddull Chicago

Russ. It's All in Your Head: Get Out of Your Way. First edition. New York: Harper Design, an imprint of HarperCollins Publishers, 2019.

Dyfyniad MLA

Russ. It's All in Your Head: Get Out of Your Way. First edition. Harper Design, an imprint of HarperCollins Publishers, 2019.

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