Παραπομπή APA

Subramaniam, H. (1992). Nautical watchkeeping. Vijaya publications.

Παραπομπή Chicago Style

Subramaniam, H. Nautical Watchkeeping. Mumbai: Vijaya publications, 1992.

Παραπομπή MLA

Subramaniam, H. Nautical Watchkeeping. Vijaya publications, 1992.