Dyfyniad APA

Boslicco, M. (1969). Instant business letters. Business books limited.

Dyfyniad Arddull Chicago

Boslicco, Mary. Instant Business Letters. London: Business books limited, 1969.

Dyfyniad MLA

Boslicco, Mary. Instant Business Letters. Business books limited, 1969.

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