Gaya APA

Dugger, Jim. (1994). Business letters for busy people (2e). Singapura: SS Mubarak and Brothers.

Gaya Chicago

Dugger, Jim. Business letters for busy people. 2e Singapura: SS Mubarak and Brothers, 1994. Buku.

Gaya MLA

Dugger, Jim. Business letters for busy people. 2e Singapura: SS Mubarak and Brothers, 1994. Buku.

Gaya Turabian

Dugger, Jim. Business letters for busy people. 2e Singapura: SS Mubarak and Brothers, 1994. Buku.