Cita APA

Langdon, A. T. e. N., & Round, i. G. (1992). Pesar e medir. Resomnia.

Chicago Style (17th ed.) Citation

Langdon, Annabel Thomas e Nigel, i il. Graham Round. Pesar E Medir. Resomnia, 1992.

Cita MLA

Langdon, Annabel Thomas e Nigel, i il. Graham Round. Pesar E Medir. Resomnia, 1992.