APA (7th ed.) Citation

Ferro, A., Freitas, P., Nunes, L. C., Balcão Reis, A., & Seabra, C. (2019). Correcting for Sampling Problems in PISA and the Improvement in Portuguese Students’ Performance.

Chicago Style (17th ed.) Citation

Ferro, Adriana, Pedro Freitas, Luis Catela Nunes, Ana Balcão Reis, and Carmo Seabra. Correcting for Sampling Problems in PISA and the Improvement in Portuguese Students’ Performance. 2019.

MLA (8th ed.) Citation

Ferro, Adriana, et al. Correcting for Sampling Problems in PISA and the Improvement in Portuguese Students’ Performance. 2019.

Warning: These citations may not always be 100% accurate.