Schaafstal, A. M. (1991). Diagnostic skill in process operation: A comparison between experts and novices. s.n.].
Lua i Stíl Chicago (17ú heag.)Schaafstal, Aaltje Margrethe. Diagnostic Skill in Process Operation: A Comparison Between Experts and Novices. [Gronigen, Netherlands: s.n.], 1991.
Lua MLA (8ú heag.)Schaafstal, Aaltje Margrethe. Diagnostic Skill in Process Operation: A Comparison Between Experts and Novices. s.n.], 1991.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.