Dyfyniad APA

Allan J. Tobin, & Allan J. Tobin; Jennie Dusheck. (2005). Asking about life. Belmont, CA: Thomson, Brooks/Cole.

Dyfyniad Arddull Chicago

Allan J. Tobin, và Allan J. Tobin; Jennie Dusheck. Asking About Life. Belmont, CA: Thomson, Brooks/Cole, 2005.

Dyfyniad MLA

Allan J. Tobin, và Allan J. Tobin; Jennie Dusheck. Asking About Life. Belmont, CA: Thomson, Brooks/Cole, 2005.

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