Cita APA (7th ed.)

Frank, . R. H. …. a. (2016). PRINCIPLES of microeconomics. McGraw-Hill Education.

Cita Chicago (17th ed.)

Frank, Robert H. …[et al.]. PRINCIPLES of Microeconomics. McGraw-Hill Education, 2016.

Cita MLA (9th ed.)

Frank, Robert H. …[et al.]. PRINCIPLES of Microeconomics. McGraw-Hill Education, 2016.