Dyfyniad APA

Edwin R A Seligman & Alvin Johnson. (2006). Seligman's encyclopedia of the social sciences (v.9, part 1: Laboulaya - Ledru - Rollin). Cosmo.

Dyfyniad Arddull Chicago

Edwin R A Seligman and Alvin Johnson. Seligman's Encyclopedia of the Social Sciences (v.9, Part 1: Laboulaya - Ledru - Rollin). New Delhi: Cosmo, 2006.

Dyfyniad MLA

Edwin R A Seligman and Alvin Johnson. Seligman's Encyclopedia of the Social Sciences (v.9, Part 1: Laboulaya - Ledru - Rollin). Cosmo, 2006.

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