Brutus, D. (1968). Letters to Martha: And other poems from a South African prison. Heinemann.
Citazione stile Chigago Style (17a edizione)Brutus, Dennis. Letters to Martha: And Other Poems from a South African Prison. London: Heinemann, 1968.
Citatione MLA (9a ed.)Brutus, Dennis. Letters to Martha: And Other Poems from a South African Prison. Heinemann, 1968.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.