Cita APA (7th ed.)

Bostock, P. (1974). Dialogues and songs (1a. ed.). Nelson.

Cita Chicago (17th ed.)

Bostock, Peter. Dialogues and Songs. 1a. ed. Nairobi: Nelson, 1974.

Cita MLA (9th ed.)

Bostock, Peter. Dialogues and Songs. 1a. ed. Nelson, 1974.