Gaya APA

SALIM, P. (1990). MODERN BUSINESS COREESPONDENCE (ED. 9). JAKARTA: MODERN ENGLISH PRESS.

Gaya MLA

SALIM, PETER. "MODERN BUSINESS COREESPONDENCE". ED. 9 JAKARTA: MODERN ENGLISH PRESS, 1990. Prodi D3 Kesekretariatan.