Dyfyniad APA

Hadiwardoyo, A., & Hadiwardoyo, A. (1990). Moral dan masalahnya Al. Purwa Hadiwardoyo. Kanisius.

Dyfyniad Arddull Chicago

Hadiwardoyo, Al.Purwa, and Al.Purwa Hadiwardoyo. Moral Dan Masalahnya Al. Purwa Hadiwardoyo. Kanisius, 1990.

Dyfyniad MLA

Hadiwardoyo, Al.Purwa, and Al.Purwa Hadiwardoyo. Moral Dan Masalahnya Al. Purwa Hadiwardoyo. Kanisius, 1990.

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