Cita APA (7th ed.)

De Belen, R. T., & De Belen, A. R. V. (2019). Basic statistics. Jobal Publishing House.

Cita Chicago (17th ed.)

De Belen, Rustico T., i Arthur Reiner V. De Belen. Basic Statistics. Quezon City: Jobal Publishing House, 2019.

Cita MLA (9th ed.)

De Belen, Rustico T., i Arthur Reiner V. De Belen. Basic Statistics. Jobal Publishing House, 2019.