Dyfyniad APA

Petty, J. (1956). Five fags a day: The last year of a scrap-picker. Secker & Warburg.

Dyfyniad Arddull Chicago

Petty, John. Five Fags a Day: The Last Year of a Scrap-picker. London: Secker & Warburg, 1956.

Dyfyniad MLA

Petty, John. Five Fags a Day: The Last Year of a Scrap-picker. Secker & Warburg, 1956.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.