Gaya APA

Abrams, W, B., Berkow, R. (1997). The Merck Manual Of Geriatrics (1). Hoboken, NJ: Binarupa Aksara.

Gaya MLA

Abrams, William, B., Berkow, Robert. "The Merck Manual Of Geriatrics". 1 Hoboken, NJ: Binarupa Aksara, 1997. Text.