Tony, G., & Mear, N. (2012). IT Service Management Foundation Practice Questions: For ITIL® Foundation Exam Candidates - Second edition. British Computer Society.
Chicago-стиль цитированияTony, Gannon, và Nigel Mear. IT Service Management Foundation Practice Questions: For ITIL® Foundation Exam Candidates - Second Edition. British Computer Society, 2012.
MLA-цитированиеTony, Gannon, và Nigel Mear. IT Service Management Foundation Practice Questions: For ITIL® Foundation Exam Candidates - Second Edition. British Computer Society, 2012.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.