Gaya APA

STEWART, Marie M, LANHAM, Frank W. (1968). English for business 1 (Buku 1). Singapura: McGraw- Hill Companis.

Gaya Chicago

STEWART, Marie M, LANHAM, Frank W. English for business 1. Buku 1 Singapura: McGraw- Hill Companis, 1968. Text.

Gaya MLA

STEWART, Marie M, LANHAM, Frank W. English for business 1. Buku 1 Singapura: McGraw- Hill Companis, 1968. Text.

Gaya Turabian

STEWART, Marie M, LANHAM, Frank W. English for business 1. Buku 1 Singapura: McGraw- Hill Companis, 1968. Print.