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

Sowden-Service, Cathrynne.

Lapinski, Pawel Verfasser.

Burd, Barry, author.

Owens, Jim, 1957- author.

JOSE PLANELLS DE LA MAZA, ANTONIO.

Independent Institute of Education.

Belter, Luisa.

Kotler, Philip.

Rossouw, Deon

Roberts-Lombard, Mornay

Cant, M. C. (Michael Colin), 1957- editor.