Cita APA (7th ed.)

Ana Kolkowska. (2019). Cambridge IGCSE Spanish as a Foreign Language. Harper Collins.

Cita Chicago (17th ed.)

Ana Kolkowska. Cambridge IGCSE Spanish as a Foreign Language. London: Harper Collins, 2019.

Cita MLA (9th ed.)

Ana Kolkowska. Cambridge IGCSE Spanish as a Foreign Language. Harper Collins, 2019.