(1991). Skill development guide.
Chicago Style (17th ed.) CitationSkill Development Guide. 1991.
MLA (9th ed.) CitationSkill Development Guide. 1991.
Advarsel: Disse citationer er muligvist ikke 100% nøjagtige.
(1991). Skill development guide.
Chicago Style (17th ed.) CitationSkill Development Guide. 1991.
MLA (9th ed.) CitationSkill Development Guide. 1991.