Loubser, M. M., editor.

Baltzan, Paige, author.

Liamputtong, Pranee, 1955- editor.

Hibbeler, R. C., author.

Harding, James, editor.

Haupt, Phillip, author.

Oppermann, H. R. B. (Hendrik Rudolf Beukes), 1955-

Ball, Terence author.

Charles, Grant

Gravetter, Frederick J., author. (uri) http://id.loc.gov/authorities/names/n84044621 (uri) http://viaf.org/viaf/sourceID/LC 84044621 (uri) /resolver/wikidata/lc/n84044621

Ciccarelli, Saundra K.

Mitchell, K. I., compiler.