Παραπομπή APA

Boys, C. . .. (1960). Soap bubbles and the forces which mould them. Heinemann.

Παραπομπή Chicago Style

Boys, C.V. Soap Bubbles and the Forces Which Mould Them. : Heinemann, 1960.

Παραπομπή MLA

Boys, C.V. Soap Bubbles and the Forces Which Mould Them. Heinemann, 1960.