Gaya APA

al.], J, N, M, [. (2014). Dropout in crossover and longitudinal studies: Is complete case so bad? (2014, Vol. 23(1)). London: SAGE.

Gaya MLA

al.], John, NS, Matthews, [et. "Dropout in crossover and longitudinal studies: Is complete case so bad?". 2014, Vol. 23(1) London: SAGE, 2014. e-journal.