APA (7e ed.) Bronvermelding

Gailan, T. K. P. (1989). Descriptive statistics (Revised edition.). Learning Resources Unit, National Teacher Training Center for the Health Professions, University of the Philippines Manila.

Chicago (17e ed.) Bronvermelding

Gailan, Tarlochan Kaur Pabla. Descriptive Statistics. Revised edition. Manila: Learning Resources Unit, National Teacher Training Center for the Health Professions, University of the Philippines Manila, 1989.

MLA (9e ed.) Bronvermelding

Gailan, Tarlochan Kaur Pabla. Descriptive Statistics. Revised edition. Learning Resources Unit, National Teacher Training Center for the Health Professions, University of the Philippines Manila, 1989.