Cita APA (7a ed.)

NBAA. (2014). A1 Quantitative techniques: Study text. GTG.

Cita Chicago Style (17a ed.)

NBAA. A1 Quantitative Techniques: Study Text. Dar es salaam: GTG, 2014.

Cita MLA (9a ed.)

NBAA. A1 Quantitative Techniques: Study Text. GTG, 2014.