San Juan, A. D. (2022). Seaman's book free for 1st-time seafarers. Manila Bulletin.
芝加哥风格引文San Juan, Alexandria Dennise. "Seaman's Book Free for 1st-time Seafarers." Manila Bulletin 2022.
MLA引文San Juan, Alexandria Dennise. "Seaman's Book Free for 1st-time Seafarers." Manila Bulletin, 2022.
警告：这些引文格式不一定是100％准确.