APA Баримт

International learning system corporation limited. (1970). The new caxton encyclopedia 1970 yearbook: A yearbook covering the events of 1969. Purnell and sons.

Чикаго маягийн жагсаалт

International learning system corporation limited. The New Caxton Encyclopedia 1970 Yearbook: A Yearbook Covering the Events of 1969. London: Purnell and sons, 1970.

MLA ишлэл

International learning system corporation limited. The New Caxton Encyclopedia 1970 Yearbook: A Yearbook Covering the Events of 1969. Purnell and sons, 1970.