Australia. Commonwealth Office of Education & Australia. Commonwealth Office of Education. (1967). Situational English. Longman.
Cita Chicago Style (17a ed.)Australia. Commonwealth Office of Education y Australia. Commonwealth Office of Education. Situational English. London: Longman, 1967.
Cita MLA (9a ed.)Australia. Commonwealth Office of Education y Australia. Commonwealth Office of Education. Situational English. Longman, 1967.
Precaución: Estas citas no son 100% exactas.