Dyfyniad APA

Linley, P. A., & Joseph, S. (2004). Positive psychology in practice. Wiley. https://doi.org/10.1002/9780470939338

Dyfyniad Arddull Chicago

Linley, P. Alex, and Stephen Joseph. Positive Psychology in Practice. Hoboken, New Jersey: Wiley, 2004. https://doi.org/10.1002/9780470939338.

Dyfyniad MLA

Linley, P. Alex, and Stephen Joseph. Positive Psychology in Practice. Wiley, 2004. https://doi.org/10.1002/9780470939338.

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