Linder, G. A., & De Garmo, C. (1889). Manual of empirical psychology as an inductive science: A text-book for high schools and colleges. D. C. Heath and Company.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Linder, Gustav Adolf, و Charles De Garmo. Manual of Empirical Psychology as an Inductive Science: A Text-book for High Schools and Colleges. Boston: D. C. Heath and Company, 1889.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Linder, Gustav Adolf, و Charles De Garmo. Manual of Empirical Psychology as an Inductive Science: A Text-book for High Schools and Colleges. D. C. Heath and Company, 1889.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.