Pool, J. (2012). The Pool Activity Level (PAL) instrument for occupational profiling: A practical resource for carers of people with cognitive impairment (4th ed.). Jessica Kingsley Publishers.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Pool, Jackie. The Pool Activity Level (PAL) Instrument for Occupational Profiling: A Practical Resource for Carers of People with Cognitive Impairment. 4th ed. London: Jessica Kingsley Publishers, 2012.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Pool, Jackie. The Pool Activity Level (PAL) Instrument for Occupational Profiling: A Practical Resource for Carers of People with Cognitive Impairment. 4th ed. Jessica Kingsley Publishers, 2012.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.